Description
write answer without using negative exponents and simplify
6n^-5
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.
Explanation & Answer
6/n^5
==================================================================
Completion Status:
100%
Review
Review
Anonymous
Super useful! Studypool never disappoints.
Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4
24/7 Homework Help
Stuck on a homework question? Our verified tutors can answer all questions, from basic math to advanced rocket science!
Most Popular Content
Please Answer the Following Question
Task 1 A real estate company sells plots of land. The plot shown at the right costs $84,120. What is the price per square ...
Please Answer the Following Question
Task 1 A real estate company sells plots of land. The plot shown at the right costs $84,120. What is the price per square foot of the land? Explain how you found your answer.Task 2: An arc length is a fractional part of the circumference of a circle. The area of a sector is a fractional part of the area of a circle. The stained glass circle-head window has a 2-in. wide frame. The grills divide the semicircular glass pane into four congruent regions. a. What is the area of the blue region? b. What is the outside perimeter of the window frame? . Task 3: The ratio of the perimeters and the ratio of the areas of two similar figures are related to the ratio of the corresponding measures Regular hexagon ABCDEF has vertices at A(4, 4!3), B(8, 4!3), C(10, 2!3), D(8, 0), E(4, 0) and F(2, 2!3). Suppose the sides of the hexagon are reduced by 40% to produce a similar regular hexagon. What are the perimeter and area of the smaller hexagon rounded to the nearest tenth? Explain how you found your answer.I have attached a copy of the actual assignment that contains pictures and the project rubric that shows everything that must be included to receive a passing grade.
6 pages
Optimal Strategy With Zero Sum Game
1. Market research has determined the following changes in market shares based on the different combinations of music choi ...
Optimal Strategy With Zero Sum Game
1. Market research has determined the following changes in market shares based on the different combinations of music choices for the two clubs: if ...
Algebra Part A
Let’s consider the US national debt and the US population as a function of time.1. The current population of the United ...
Algebra Part A
Let’s consider the US national debt and the US population as a function of time.1. The current population of the United States is 317,000,000.The current national debt total is $17,000,000,000.Based on these figures, use algebraic equations to calculate the approximate amount ofdebt per citizen. Show all of your work.2. For the purposes of this project, assume that population growth is a linear function thatgrows at a steady, unchanging rate of 0.9% per year, and that debt growth is a linearfunction that grows at a steady, unchanging rate of 13% per year.Use the population and debt figures from #1. Show all of your work.Find the linear equation for population in slope-intercept form.Find the linear equation for debt in slope-intercept form.3. Graph the linear equation for population growth and debt in separate graphs. Label thevalues of the x- and y-axes and title the graph. Show x from 0 (current year) to 30 (30years from now). Determine what the population and national debt will be 30 years fromnow. Calculate what the debt per citizen will be in 30 years. Show all your work. 4. Using calculations from #1 and # 3, calculate the population, national debt, and debt percitizen in 10 and 20 years from now. Complete the table below with your calculations: Time (years) Debt ($) Population Debt/Citizen0 17,000,000,000 317,000,000102030Graph the function that shows the amount of debt per citizen as a function of time. Labelthe values of the x- and y-axes and title the graph. Show x from 0 (current year) to 30(30 years from now). Identify the ordered pairs at x = 0, 10, 20 and 30 years either onthe graph or below it. Is this a linear function? Why or why not? 5. If the current compound interest rate on our national debt is 8% (compounded annually),what will the national debt be in 5, 10, and 20 years? The current national debt is$17,000,000,000. Show equations for all three calculations. Please find the exact values,do not round.6. At what point does the compound interest on the national debt double the amount fromthe current year? The current national debt is $17,000,000,000. Solve algebraically, andshow all of your work. Find the exact value. Assume the interest rate is 8% and theinterest rate is compounded annually.
MAT510 Nova Southeastern Polygons and Angles Different Angles Book Exercise
ASSIGNMENT 1 – DIFFERENT ANGLES BOOKCreate a pop-up book, comic book, magazine, novel, newspaper, or picture book that d ...
MAT510 Nova Southeastern Polygons and Angles Different Angles Book Exercise
ASSIGNMENT 1 – DIFFERENT ANGLES BOOKCreate a pop-up book, comic book, magazine, novel, newspaper, or picture book that defines and illustrates different polygons and angles. Your original work should include the following:I. Cover/Title pageII. Table of ContentsIII. Preface/Forward to explain the details of the projectIV. A minimum of four chapters (one devoted to each polygon/angle). The chapters need to show the connections of a polygon with the angle and convey an understanding of how it is used in Geometry. Each chapter should exhibit four examples demonstrating how the polygon and angle is used in Geometry. A definition, description and explanation of the polygon and angle should be included.V. Evaluate the project and discuss what you learned from your efforts.Scoring Rubric for Assignment #2Definition, description, explanation and four examples of each polygon10 pointsEasy to understand3 pointsOriginality and creativity4 pointsEvidence of research2 pointsPresentation1 pointTotal20 pointsTotal Value: 20 PointsObjectives: #3, 5, 7 – 11, 15, 17, 18, 25AP: # 1 - 12ESOL Standards: #6, 12, 14, 18INTASC: #1 – 10Assignment 2- The word document it is attached for this type of assignment. Please answer the question inside the document word. Proofs-Write a planAssignmemt 3 : Please complete Page 1 & 2, Exercises 1 - 11. of the document attached named:" Proofs worksheet- making conclusions"RESOURCES:https://www.mathopenref.com/congruentssa.htmlTHE TEACHER WROTE THIS: The proof I made tonight for the top middle graph on slide 31 in Week 3 PPT document was not correct. I realized that after the class. Could you also try to figure out at what point I made it wrong? Anyone who could figure it out will get 2 extra credits. You need to clearly illustrate why it was wrong. The proof of work questions is attached in order to complete the assignment.ASSIGNMENT 4– GEOMETRIC LOGOCreate a logo of your favorite three-dimensional design. Make your logo fit into a 7” x 7” square on an 8 ½” by 11” piece of paper. Write a paper to describe all the symmetries involved and include at least 10 geometric concepts. Scoring Rubric for Assignment #3Creation of a geometric logo 5 pointsInclude symmetries2 pointsInclude geometric concepts5 pointsInclude a description5 pointsAccommodate different learning needs1 pointEvidence of research1 pointPresentation1 pointTotal20 pointsTotal Value: 20 PointsObjectives: #17, 18, 20, 22-25AP: # 1, 2, 8, 10, 11, 12ESOL Standards: #INTASC: #3, 4, 5, 8, 9
RSCH 8210 Walden Quantitative Analysis Testing for Multiple Regression Research
Assignment: Introduction to Quantitative Analysis: Testing for Multiple RegressionPart 1To prepare for this Part 1 of your ...
RSCH 8210 Walden Quantitative Analysis Testing for Multiple Regression Research
Assignment: Introduction to Quantitative Analysis: Testing for Multiple RegressionPart 1To prepare for this Part 1 of your Assignment:Review this week 9 and 10 Learning Resources and media program related to multiple regression.Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset (whichever you choose) found in the Learning Resources for this week.Based on the dataset you chose, construct a research question that can be answered with a multiple regression analysis.Once you perform your multiple regression analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Part 1 Assignment:Write a 1- to 2-page analysis of your multiple regression results for each research question. In your analysis, display the data for the output. Based on your results, provide an explanation of what the implications of social change might be.Use proper APA format, citations, and referencing for your analysis, research question, and display of output.Part 2To prepare for this Part 2 of your Assignment:Review Warner’s Chapter 12 and Chapter 2 of the Wagner course text and the media program found in this week’s Learning Resources and consider the use of dummy variables.Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset (whichever you choose) found in this week’s Learning Resources.Consider the following:Create a research question with metric variables and one variable that requires dummy coding. Estimate the model and report results. Note: You are expected to perform regression diagnostics and report that as well.Once you perform your analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Part 2 Assignment:Write a 2- to 3-page analysis of your multiple regression using dummy variables results for each research question. In your analysis, display the data for the output. Based on your results, provide an explanation of what the implications of social change might be.Use proper APA format, citations, and referencing for your analysis, research question, and display of output.By Day 7Submit Parts 1 and 2 of your Assignment: Testing for Multiple Regression.
chi square and correlation regression
Hi - will you be able to answer the 3 questions below by Thursday night?i also uploaded the same info in a word doc.1. ...
chi square and correlation regression
Hi - will you be able to answer the 3 questions below by Thursday night?i also uploaded the same info in a word doc.1.
Chapter 16 Case Study
(Foot Locker), pages 618-619. (Start with “Supposing Foot Locker”) Hint: Use
the chi-square test of independence formula on page 610 to compute by hand or
go to: http://www.physics.csbsju.edu/stats/contingency_NROW_NCOLUMN_form.html (Links
to an external site.)Foot Locker in the Shoe MixFoot Locker, Inc., is the world's number one
retailer of athletic footwear and apparel. Headquartered in New York City, the
company has over 44,000 employees and 3369 retail stores in 23 countries across
North America, Europe, Australia, and New Zealand operating under such brand
names as Foot Locker, Lady Foot Locker, Kids Foot Locker, Footaction, Champs
Sports, and CCS. Foot Locker estimates that it controls about 18% of the U.S.
$15 billion athletic footwear market. The company intends to increase its share
of the worldwide market by adding additional stores and by growing its Internet
and catalog business.
In recent years, Foot Locker officials have
been rethinking the company's retail mix. Determining the shoe mix that will maximize
profits is an important decision for Foot Locker. By the year 2002, in an
effort to stock more lower-priced footwear, the company had reduced its
inventory of sneakers priced at $120 or more by 50%.
DISCUSSION
Suppose the data
presented below represented the number of unit sales (million $) for athletic
footwear in the years 2000 and 2012. Use techniques presented in this chapter
to analyze these data and discuss the business implications for Foot Locker.
Price Category
2000
2012
Less than $30
115
126
$30-less than
$40
38
40
$40-less than
$50
37
35
$50-less than
$60
30
27
$60-less than
$70
22
20
$70-less than
$85
21
20
$85-less than
$100
11
11
$100 or more
17
18
Suppose Foot Locker
strongly encourages its employees to make formal suggestions to improve the
store, the product, and the working environment. Suppose a quality auditor
keeps records of the suggestions, the persons who submitted them, and the
geographic region from which they come. A possible breakdown of the number of
suggestions over a 3-year period by employee sex and geographic location
follows. Is there any relationship between the sex of the employee and the
geographic location in terms of number of suggestions? If they are related,
what does this relationship mean to the company? What business implications
might there be for such an analysis?
Sex
Male
Female
U.S. West
29
43
U.S. South
48
20
Location
U.S. East
52
61
U.S. North
28
25
Europe
78
32
Australia
47
29
3.
16.1
The Financial
database contains seven different types of companies. These seven are denoted
by the variable Type. Use a chi-square goodness-of-fit test to determine
whether the seven types of companies are uniformly distributed in this
database.
4.
16.2
In the Manufacturing
database, is the Value of Industrial Shipments (a four-category variable)
uniformly distributed across the database?
5.
16.3
Use a chi-square
test of independence to determine whether Control is independent of Service
in the Hospital database. Comment on the results of this test.
6.
16.4
In the Consumer
database, is Location independent of Region? Use a chi-square test of
independence to answer the question.
2.
Click this link
http://www.physics.csbsju.edu/stats/contingency_NROW_NCOLUMN_form.html
Input '6' for number of rows and '2' for number of columns,
click 'submit', then you will see a new page with blank cells, type the data in
the given problem into those cells, then click 'Calculate now' to see the
results.
Interpret the
results.
For supplemental file, click on the following link: BUS6780_M5HomeworkAssignment
#2.docx
3.
Chapter 12 Case
Study (Caterpillar), pages 471-472, question 1 only. Use an alpha of
.05. You need to submit your supporting formula work or work in
Excel.
The United States Department of Agriculture
(USDA), in conjunction with the Forest Service, publishes information to assist
companies in estimating the cost of building a temporary road for such
activities as a timber sale. Such roads are generally built for one or two
seasons of use for limited traffic and are designed with the goal of
reestablishing vegetative cover on the roadway and adjacent disturbed area
within ten years after the termination of the contract, permit, or lease. The
timber sale contract requires out sloping, removal of culverts and ditches, and
building water bars or cross ditches after the road is no longer needed. As
part of this estimation process, the company needs to estimate haul costs. The
USDA publishes variable costs in dollars per cubic-yard-mile of hauling dirt
according to the speed with which the vehicle can drive. Speeds are mainly
determined by the road width, the sight distance, the grade, the curves and the
turnouts. Thus, on a steep, narrow, winding road, the speed is slow; and on a
flat, straight, wide road, the speed is faster. Shown below are data on speed,
cost per cubic yard for a 12 cubic yard end-dump vehicle, and cost per cubic
yard for a 20 cubic yard bottom-dump vehicle. Use these data and simple
regression analysis to develop models for predicting the haul cost by speed for
each of these two vehicles. Discuss the strength of the models. Based on the
models, predict the haul cost for 35 mph and for 45 mph for each of these
vehicles.
SPEED (MPH)
HAUL COST
12-CUBIC-YARD END-DUMP VEHICLE $ PER CUBIC YD.
HAUL COST
20-CUBIC-YARD BOTTOM-DUMP VEHICLE $ PER CUBIC YD.
10
$2.46
$1.98
15
$1.64
$1.31
20
$1.24
$0.98
25
$0.98
$0.77
30
$0.82
$0.65
40
$0.62
$0.47
50
$0.48
$0.40
Similar Content
Expand the logarithmic expression using properties of logarithms, algebra homework help
Expand the logarithmic expression using properties of logarithms.Log3 5x^2...
Suppose Ruth Ann has 4 routes she can choose from to get from school to the libr
Suppose Ruth Ann has 4 routes she can choose from to get from school to
the library, and 5 routes from the library to he...
Simplify the expression
i^99...
Statistics Question
Hello. I was hoping that you would be able to help me solve a few problems as I have completed majority of it, but I am st...
Functions in real world, algebra homework help
A cab company charges a flat fee boarding rate in addition to a per mile rate. Using your own experience or some interne...
Estimation Money in My Wallet for 30 Days Analysis
Choose two of your classmates’ posts. Collect your own data and find your own confidence interval and compare. If, for e...
MAT116 Phoenix Week 6 Algebra 1a Equations Solutions
...
Solution 5chap
f ( x) = x 3 − x 2 − 16 x − 20 = ( x + 2)( x + 2)( x − 5) = ( x + 2) 2 ( x − 5) f ( x) = x 3 + 7 x 2 + 13x + 7 =...
Math Factors
c) Write the number in standard notation, without exponents: d) Write the number in standard notation, without exponents: ...
Related Tags
Book Guides
Get 24/7
Homework help
Our tutors provide high quality explanations & answers.
Post question
Most Popular Content
Please Answer the Following Question
Task 1 A real estate company sells plots of land. The plot shown at the right costs $84,120. What is the price per square ...
Please Answer the Following Question
Task 1 A real estate company sells plots of land. The plot shown at the right costs $84,120. What is the price per square foot of the land? Explain how you found your answer.Task 2: An arc length is a fractional part of the circumference of a circle. The area of a sector is a fractional part of the area of a circle. The stained glass circle-head window has a 2-in. wide frame. The grills divide the semicircular glass pane into four congruent regions. a. What is the area of the blue region? b. What is the outside perimeter of the window frame? . Task 3: The ratio of the perimeters and the ratio of the areas of two similar figures are related to the ratio of the corresponding measures Regular hexagon ABCDEF has vertices at A(4, 4!3), B(8, 4!3), C(10, 2!3), D(8, 0), E(4, 0) and F(2, 2!3). Suppose the sides of the hexagon are reduced by 40% to produce a similar regular hexagon. What are the perimeter and area of the smaller hexagon rounded to the nearest tenth? Explain how you found your answer.I have attached a copy of the actual assignment that contains pictures and the project rubric that shows everything that must be included to receive a passing grade.
6 pages
Optimal Strategy With Zero Sum Game
1. Market research has determined the following changes in market shares based on the different combinations of music choi ...
Optimal Strategy With Zero Sum Game
1. Market research has determined the following changes in market shares based on the different combinations of music choices for the two clubs: if ...
Algebra Part A
Let’s consider the US national debt and the US population as a function of time.1. The current population of the United ...
Algebra Part A
Let’s consider the US national debt and the US population as a function of time.1. The current population of the United States is 317,000,000.The current national debt total is $17,000,000,000.Based on these figures, use algebraic equations to calculate the approximate amount ofdebt per citizen. Show all of your work.2. For the purposes of this project, assume that population growth is a linear function thatgrows at a steady, unchanging rate of 0.9% per year, and that debt growth is a linearfunction that grows at a steady, unchanging rate of 13% per year.Use the population and debt figures from #1. Show all of your work.Find the linear equation for population in slope-intercept form.Find the linear equation for debt in slope-intercept form.3. Graph the linear equation for population growth and debt in separate graphs. Label thevalues of the x- and y-axes and title the graph. Show x from 0 (current year) to 30 (30years from now). Determine what the population and national debt will be 30 years fromnow. Calculate what the debt per citizen will be in 30 years. Show all your work. 4. Using calculations from #1 and # 3, calculate the population, national debt, and debt percitizen in 10 and 20 years from now. Complete the table below with your calculations: Time (years) Debt ($) Population Debt/Citizen0 17,000,000,000 317,000,000102030Graph the function that shows the amount of debt per citizen as a function of time. Labelthe values of the x- and y-axes and title the graph. Show x from 0 (current year) to 30(30 years from now). Identify the ordered pairs at x = 0, 10, 20 and 30 years either onthe graph or below it. Is this a linear function? Why or why not? 5. If the current compound interest rate on our national debt is 8% (compounded annually),what will the national debt be in 5, 10, and 20 years? The current national debt is$17,000,000,000. Show equations for all three calculations. Please find the exact values,do not round.6. At what point does the compound interest on the national debt double the amount fromthe current year? The current national debt is $17,000,000,000. Solve algebraically, andshow all of your work. Find the exact value. Assume the interest rate is 8% and theinterest rate is compounded annually.
MAT510 Nova Southeastern Polygons and Angles Different Angles Book Exercise
ASSIGNMENT 1 – DIFFERENT ANGLES BOOKCreate a pop-up book, comic book, magazine, novel, newspaper, or picture book that d ...
MAT510 Nova Southeastern Polygons and Angles Different Angles Book Exercise
ASSIGNMENT 1 – DIFFERENT ANGLES BOOKCreate a pop-up book, comic book, magazine, novel, newspaper, or picture book that defines and illustrates different polygons and angles. Your original work should include the following:I. Cover/Title pageII. Table of ContentsIII. Preface/Forward to explain the details of the projectIV. A minimum of four chapters (one devoted to each polygon/angle). The chapters need to show the connections of a polygon with the angle and convey an understanding of how it is used in Geometry. Each chapter should exhibit four examples demonstrating how the polygon and angle is used in Geometry. A definition, description and explanation of the polygon and angle should be included.V. Evaluate the project and discuss what you learned from your efforts.Scoring Rubric for Assignment #2Definition, description, explanation and four examples of each polygon10 pointsEasy to understand3 pointsOriginality and creativity4 pointsEvidence of research2 pointsPresentation1 pointTotal20 pointsTotal Value: 20 PointsObjectives: #3, 5, 7 – 11, 15, 17, 18, 25AP: # 1 - 12ESOL Standards: #6, 12, 14, 18INTASC: #1 – 10Assignment 2- The word document it is attached for this type of assignment. Please answer the question inside the document word. Proofs-Write a planAssignmemt 3 : Please complete Page 1 & 2, Exercises 1 - 11. of the document attached named:" Proofs worksheet- making conclusions"RESOURCES:https://www.mathopenref.com/congruentssa.htmlTHE TEACHER WROTE THIS: The proof I made tonight for the top middle graph on slide 31 in Week 3 PPT document was not correct. I realized that after the class. Could you also try to figure out at what point I made it wrong? Anyone who could figure it out will get 2 extra credits. You need to clearly illustrate why it was wrong. The proof of work questions is attached in order to complete the assignment.ASSIGNMENT 4– GEOMETRIC LOGOCreate a logo of your favorite three-dimensional design. Make your logo fit into a 7” x 7” square on an 8 ½” by 11” piece of paper. Write a paper to describe all the symmetries involved and include at least 10 geometric concepts. Scoring Rubric for Assignment #3Creation of a geometric logo 5 pointsInclude symmetries2 pointsInclude geometric concepts5 pointsInclude a description5 pointsAccommodate different learning needs1 pointEvidence of research1 pointPresentation1 pointTotal20 pointsTotal Value: 20 PointsObjectives: #17, 18, 20, 22-25AP: # 1, 2, 8, 10, 11, 12ESOL Standards: #INTASC: #3, 4, 5, 8, 9
RSCH 8210 Walden Quantitative Analysis Testing for Multiple Regression Research
Assignment: Introduction to Quantitative Analysis: Testing for Multiple RegressionPart 1To prepare for this Part 1 of your ...
RSCH 8210 Walden Quantitative Analysis Testing for Multiple Regression Research
Assignment: Introduction to Quantitative Analysis: Testing for Multiple RegressionPart 1To prepare for this Part 1 of your Assignment:Review this week 9 and 10 Learning Resources and media program related to multiple regression.Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset (whichever you choose) found in the Learning Resources for this week.Based on the dataset you chose, construct a research question that can be answered with a multiple regression analysis.Once you perform your multiple regression analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Part 1 Assignment:Write a 1- to 2-page analysis of your multiple regression results for each research question. In your analysis, display the data for the output. Based on your results, provide an explanation of what the implications of social change might be.Use proper APA format, citations, and referencing for your analysis, research question, and display of output.Part 2To prepare for this Part 2 of your Assignment:Review Warner’s Chapter 12 and Chapter 2 of the Wagner course text and the media program found in this week’s Learning Resources and consider the use of dummy variables.Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset (whichever you choose) found in this week’s Learning Resources.Consider the following:Create a research question with metric variables and one variable that requires dummy coding. Estimate the model and report results. Note: You are expected to perform regression diagnostics and report that as well.Once you perform your analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Part 2 Assignment:Write a 2- to 3-page analysis of your multiple regression using dummy variables results for each research question. In your analysis, display the data for the output. Based on your results, provide an explanation of what the implications of social change might be.Use proper APA format, citations, and referencing for your analysis, research question, and display of output.By Day 7Submit Parts 1 and 2 of your Assignment: Testing for Multiple Regression.
chi square and correlation regression
Hi - will you be able to answer the 3 questions below by Thursday night?i also uploaded the same info in a word doc.1. ...
chi square and correlation regression
Hi - will you be able to answer the 3 questions below by Thursday night?i also uploaded the same info in a word doc.1.
Chapter 16 Case Study
(Foot Locker), pages 618-619. (Start with “Supposing Foot Locker”) Hint: Use
the chi-square test of independence formula on page 610 to compute by hand or
go to: http://www.physics.csbsju.edu/stats/contingency_NROW_NCOLUMN_form.html (Links
to an external site.)Foot Locker in the Shoe MixFoot Locker, Inc., is the world's number one
retailer of athletic footwear and apparel. Headquartered in New York City, the
company has over 44,000 employees and 3369 retail stores in 23 countries across
North America, Europe, Australia, and New Zealand operating under such brand
names as Foot Locker, Lady Foot Locker, Kids Foot Locker, Footaction, Champs
Sports, and CCS. Foot Locker estimates that it controls about 18% of the U.S.
$15 billion athletic footwear market. The company intends to increase its share
of the worldwide market by adding additional stores and by growing its Internet
and catalog business.
In recent years, Foot Locker officials have
been rethinking the company's retail mix. Determining the shoe mix that will maximize
profits is an important decision for Foot Locker. By the year 2002, in an
effort to stock more lower-priced footwear, the company had reduced its
inventory of sneakers priced at $120 or more by 50%.
DISCUSSION
Suppose the data
presented below represented the number of unit sales (million $) for athletic
footwear in the years 2000 and 2012. Use techniques presented in this chapter
to analyze these data and discuss the business implications for Foot Locker.
Price Category
2000
2012
Less than $30
115
126
$30-less than
$40
38
40
$40-less than
$50
37
35
$50-less than
$60
30
27
$60-less than
$70
22
20
$70-less than
$85
21
20
$85-less than
$100
11
11
$100 or more
17
18
Suppose Foot Locker
strongly encourages its employees to make formal suggestions to improve the
store, the product, and the working environment. Suppose a quality auditor
keeps records of the suggestions, the persons who submitted them, and the
geographic region from which they come. A possible breakdown of the number of
suggestions over a 3-year period by employee sex and geographic location
follows. Is there any relationship between the sex of the employee and the
geographic location in terms of number of suggestions? If they are related,
what does this relationship mean to the company? What business implications
might there be for such an analysis?
Sex
Male
Female
U.S. West
29
43
U.S. South
48
20
Location
U.S. East
52
61
U.S. North
28
25
Europe
78
32
Australia
47
29
3.
16.1
The Financial
database contains seven different types of companies. These seven are denoted
by the variable Type. Use a chi-square goodness-of-fit test to determine
whether the seven types of companies are uniformly distributed in this
database.
4.
16.2
In the Manufacturing
database, is the Value of Industrial Shipments (a four-category variable)
uniformly distributed across the database?
5.
16.3
Use a chi-square
test of independence to determine whether Control is independent of Service
in the Hospital database. Comment on the results of this test.
6.
16.4
In the Consumer
database, is Location independent of Region? Use a chi-square test of
independence to answer the question.
2.
Click this link
http://www.physics.csbsju.edu/stats/contingency_NROW_NCOLUMN_form.html
Input '6' for number of rows and '2' for number of columns,
click 'submit', then you will see a new page with blank cells, type the data in
the given problem into those cells, then click 'Calculate now' to see the
results.
Interpret the
results.
For supplemental file, click on the following link: BUS6780_M5HomeworkAssignment
#2.docx
3.
Chapter 12 Case
Study (Caterpillar), pages 471-472, question 1 only. Use an alpha of
.05. You need to submit your supporting formula work or work in
Excel.
The United States Department of Agriculture
(USDA), in conjunction with the Forest Service, publishes information to assist
companies in estimating the cost of building a temporary road for such
activities as a timber sale. Such roads are generally built for one or two
seasons of use for limited traffic and are designed with the goal of
reestablishing vegetative cover on the roadway and adjacent disturbed area
within ten years after the termination of the contract, permit, or lease. The
timber sale contract requires out sloping, removal of culverts and ditches, and
building water bars or cross ditches after the road is no longer needed. As
part of this estimation process, the company needs to estimate haul costs. The
USDA publishes variable costs in dollars per cubic-yard-mile of hauling dirt
according to the speed with which the vehicle can drive. Speeds are mainly
determined by the road width, the sight distance, the grade, the curves and the
turnouts. Thus, on a steep, narrow, winding road, the speed is slow; and on a
flat, straight, wide road, the speed is faster. Shown below are data on speed,
cost per cubic yard for a 12 cubic yard end-dump vehicle, and cost per cubic
yard for a 20 cubic yard bottom-dump vehicle. Use these data and simple
regression analysis to develop models for predicting the haul cost by speed for
each of these two vehicles. Discuss the strength of the models. Based on the
models, predict the haul cost for 35 mph and for 45 mph for each of these
vehicles.
SPEED (MPH)
HAUL COST
12-CUBIC-YARD END-DUMP VEHICLE $ PER CUBIC YD.
HAUL COST
20-CUBIC-YARD BOTTOM-DUMP VEHICLE $ PER CUBIC YD.
10
$2.46
$1.98
15
$1.64
$1.31
20
$1.24
$0.98
25
$0.98
$0.77
30
$0.82
$0.65
40
$0.62
$0.47
50
$0.48
$0.40
Earn money selling
your Study Documents