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Abraham Lincoln University Statistical Questions
Complete the following end of chapter exercises for Chapter 3. Submit your response in an MS Word document or Pdf after in ...
Abraham Lincoln University Statistical Questions
Complete the following end of chapter exercises for Chapter 3. Submit your response in an MS Word document or Pdf after inserting the results from SPSS Output into your document. This exercise utilizes the data set schools-a.sav, which can be downloaded from chapter data sources referenced above. 1- You are interested in investigating if being above or below the median income (medloinc) impacts ACT means (act94) for schools. Complete the necessary steps to examine univariate grouped data in order to respond to the questions below. Although deletions and/or transformations may be implied from your examination, all steps will examine original variables. a. How many participants have missing values for medloinc and act94? b. Is there a severe split in frequencies between groups? c. What are the cutoff values for outliers in each group? d. Which outlying cases should be deleted for each group? e. Analyzing histograms, normal Q-Q plots, and tests of normality, what is your conclusion regarding normality? If a transformation is necessary, which one would you use?
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $ ...
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $10.75, and $6.50. Find the mean, median, and mode.
Question 1 options:
$9.35, $9.43, $6.50 and $8.95
$9.35, $10.45, no mode
$9.89, $9.43, $8.95
$9.89, $10.45, $6.50, and $8.95
Question 2 (5 points)
The spinner shown at right is spun once. Determine the probability of each outcome. Express each probability as a fraction and as a percent. Then describe the likelihood of the event. Write impossible, unlikely, equally likely, likely, or certain.
P(odd)Question 2 options:
; likely
; equally likely
; impossible
; certain
Question 3 (5 points)
Identify the sample as biased or unbiased and describe its type.
Tia surveyed every third house in the locality to determine the number of people who own pets.Question 3 options:
unbiased, simple random sample
biased, voluntary response sample
unbiased, systematic random sample
biased, convenience sample
Question 4 (5 points)
Find the median of the following set of data. Round to the nearest tenth if necessary.
26.1, 8.4, 11.4, 44.1, 32.3, 46, 41, 18.5, 20, 9.3, 19.6Question 4 options:
32.3
20
26.1
25.2
Question 5 (5 points)
Before starting a summer jobs program, the school board conducted a survey at various schools. They interviewed 30% of the high school students to know whether they would participate in the program. The results are shown in the graph.
Is this sampling method valid? If so, how many of 750 students of various high schools are likely to participate in this program?
Question 5 options:
no, 125
yes, 125
no, 625
yes, 625
Question 6 (5 points)
A number cube is tossed and the spinner below is spun. Find P(3 and C).
Question 6 options:
Question 7 (5 points)
Matthew has 8 dimes and 10 quarters in a box. Find the probability of drawing a dime.
Question 7 options:
Question 8 (5 points)
In baseball, Shintaro had 4 hits in his last 12 times at bat.
If Shintaro has 36 at bats in the next week, about how many hits will he have?Question 8 options:
24
12
10
9
Question 9 (5 points)
Find the mean of each set of data. Round to the nearest tenth if necessary.
14, 39, 27, 17, 17, 25, 10, 37Question 9 options:
23.3
21.3
24.8
21
Question 10 (5 points)
The table shows the number of campsite reservations at two different state parks over the past 10 weekends.
Number of Campsite Reservations
East Fork
32
36
39
39
43
45
50
51
56
80
Blue Ridge
38
40
45
47
51
52
60
62
69
73
Are there any outliers in the data for either state park? Question 10 options:
The data points 56 and 80 reservations are outliers for East Fork.
The data point 38 reservations is an outlier for Blue Ridge.
The data point 80 reservations is an outlier for East Fork.
There are no outliers.
Question 11 (5 points)
Find the range for the set of data.
101, 72, 115, 114, 117, 56, 101, 68, 111, 58, 51, 51, 90Question 11 options:
64
85
66
90
Question 12 (5 points)
Find the probability.
A marble is randomly selected from a bag containing 15 black, 12 white, and 6 clear marbles. Find P(not clear). Round to the nearest percent if necessary.
Question 12 options:
18%
82%
64%
55%
Question 13 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
14.6, 28.1, 3.9, 7.1, 5.3, 30.9, 2.8, 6.5, 20.8, 16.4, 16.4, 27.1, 53.5, 12.5, 6.1 Question 13 options:
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 20, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: 2.8
median: 14.6, Q1: 6.1, Q3: 25.1, IR: 21, outliers: none
Question 14 (5 points)
Nina’s quiz scores for the quarter are 90, 79, 5, 84, 95, 81, 87, and 94. Which measure of central tendency best represents the data shown in the table and why?
Question 14 options:
Since the data have many repeated values, the mode best represents the data.
Since there is an extreme value (5) and there are no big gaps in the middle of the data, the median best represents the data.
Since there are no extreme values, the mean best represents the data.
Since there are no extreme values and few repeated numbers, the median best represents the data.
Question 15 (5 points)
The frequency table shows Sam’s record in swimming.
Year
Number of medals
2008
6
2009
4
2010
1
2012
7
2013
4
Based on this record, what is the probability of picking up a medal won by him in the years 2009 or 2012.
Question 15 options:
2
Question 16 (5 points)
Lionel is apartment hunting. He makes a table of prospective apartment choices.
Apartment Rental PricesApartment ChoicePrice per Month ($)1630275536754765569066807675
Which measure of central tendency best represents the data shown in the table and why?
Question 16 options:
Since the data is grouped close together, the mode best represents the data.
Since there are no extreme values, the median best represents the data.
Since there are no extreme values and few repeated numbers, the mean best represents the data.
Since the value 675 occurs more than once, the mode best represents the data.
Question 17 (5 points)
The table shows the number of points scored by each team in a tournament.
Number of Points Scored
12
25
16
20
31
16
19
22
Find the mean absolute deviation of the number of points scored. Round to the nearest hundredth if necessary.
Question 17 options:
4.41
16
20.13
35.26
Question 18 (5 points)
Find the mode of each set of data.
33, 19, 15, 39, 39, 34, 24, 29Question 18 options:
31
29
32
39
Question 19 (5 points)
Find the probability.
A bag of sweets contains 20 gummy bears and 35 orange slices. One sweet is taken at random from the bag. Find P(gummy bear).Question 19 options:
Question 20 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
111, 68, 93, 88, 74, 152, 119, 87, 88, 105, 84, 102, 151, 115, 112 Question 20 options:
median: 102, Q1: 87, Q3: 113, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 28, outliers: 68
median: 102, Q1: 87, Q2: 115, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 27, outliers: none
Submit Quiz0 of 20 questions saved
13 pages
Jm Irp Presentation
Due to the increasing population, houses are on higher demand. Prices are believed to be escalating from place to place, w ...
Jm Irp Presentation
Due to the increasing population, houses are on higher demand. Prices are believed to be escalating from place to place, while others think that it is ...
1 page
Limitations And Opportunities
Census data is essential because it helps us to know where we are headed as a nation. The government and community use cen ...
Limitations And Opportunities
Census data is essential because it helps us to know where we are headed as a nation. The government and community use census data to make meaningful ...
Find the volume of the solid obtained by rotating the region bounded by the given curves
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y= ...
Find the volume of the solid obtained by rotating the region bounded by the given curves
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x2x=y2 about the axis x=–5
Mth 245 Project
MTH 245 Project: Making an Informed DecisionChoose one of the following two research scenarios. You will use the same t ...
Mth 245 Project
MTH 245 Project: Making an Informed DecisionChoose one of the following two research scenarios. You will use the same topic for all parts of the project during this course.Option 1: Home ValuesOne of the biggest purchases we make in our lifetimes is for a home. How much should we spend on our home? Are we getting good value for our money? In this project, you will identify the cost of a typical home in the location that you want to live. You will investigate whether a particular home provides good value to the buyer.Option 2: Benefits of CollegeAre there benefits to attending college? If so, what are they? In this project, you will identify some of the perks that a college education provides. You will also investigate whether the cost of college is justified by your future earning potentialChoose one of the project topics listed above.Create a document and spreadsheet answering all the questions below. Submit your work in Canvas.In a few sentences, state your topic and give a reason why you made this choice.Create a random sample of either 50 homes in the area you want to live or 50 working adults (with or without a college education).How did you choose these 50 elements of the population? Define the population that you are researching and provide specific details about how you chose the elements for your sample.What type of random sample did you create? Or is it a convenience sample? Briefly explain the statistical pros/cons of the method you chose.Do you think there is any bias in your sample?Collect some data for your sample and organize the data in a spreadsheet (you can use Excel, Statcrunch, etc). The data can be made up, but it should be somewhat realistic. You must have at least some data at the RATIO level of measurement.Option 1: You can use information like zip code, subdivision name, sale price, square footage, number of bedrooms, number of bathrooms, etc.Option 2: You can get information like highest school attended, number of years of college, type of college (trade, community, public 4-year, private 4-year), annual salary, cost of your education, college, GPA, etc.Organize the data as necessary and create at least two graphs that summarize your data in an informative way. Use statistical software. Be sure to format and label the visual aids as needed.Use software to compute descriptive statistics for each column of your spreadsheet. Make sure there is a label for each statistic (i.e. Sale Price MEAN: $456,295)For qualitative data, you can find the mode or compute relative frequencies.For quantitative data, compute at least the mean, median, range, and sample standard deviation.Choose one quantitative variable. Compute the Five-Number Summary and create a boxplot. Is the distribution of this variable symmetric or skewed? How do you know?Choose a different quantitative variable. Determine whether there are any outliers in the data and explain why or why not.Make up any 3 probability questions about your data and compute the probabilities. You must include at least one conditional probability. Show your work for each answer or provide a brief explanation. For example:What is the probability that a home in my sample has 3 or more bedrooms?What is the probability that someone earns less than $40,000 given that they went to college?
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Most Popular Content
Abraham Lincoln University Statistical Questions
Complete the following end of chapter exercises for Chapter 3. Submit your response in an MS Word document or Pdf after in ...
Abraham Lincoln University Statistical Questions
Complete the following end of chapter exercises for Chapter 3. Submit your response in an MS Word document or Pdf after inserting the results from SPSS Output into your document. This exercise utilizes the data set schools-a.sav, which can be downloaded from chapter data sources referenced above. 1- You are interested in investigating if being above or below the median income (medloinc) impacts ACT means (act94) for schools. Complete the necessary steps to examine univariate grouped data in order to respond to the questions below. Although deletions and/or transformations may be implied from your examination, all steps will examine original variables. a. How many participants have missing values for medloinc and act94? b. Is there a severe split in frequencies between groups? c. What are the cutoff values for outliers in each group? d. Which outlying cases should be deleted for each group? e. Analyzing histograms, normal Q-Q plots, and tests of normality, what is your conclusion regarding normality? If a transformation is necessary, which one would you use?
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $ ...
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $10.75, and $6.50. Find the mean, median, and mode.
Question 1 options:
$9.35, $9.43, $6.50 and $8.95
$9.35, $10.45, no mode
$9.89, $9.43, $8.95
$9.89, $10.45, $6.50, and $8.95
Question 2 (5 points)
The spinner shown at right is spun once. Determine the probability of each outcome. Express each probability as a fraction and as a percent. Then describe the likelihood of the event. Write impossible, unlikely, equally likely, likely, or certain.
P(odd)Question 2 options:
; likely
; equally likely
; impossible
; certain
Question 3 (5 points)
Identify the sample as biased or unbiased and describe its type.
Tia surveyed every third house in the locality to determine the number of people who own pets.Question 3 options:
unbiased, simple random sample
biased, voluntary response sample
unbiased, systematic random sample
biased, convenience sample
Question 4 (5 points)
Find the median of the following set of data. Round to the nearest tenth if necessary.
26.1, 8.4, 11.4, 44.1, 32.3, 46, 41, 18.5, 20, 9.3, 19.6Question 4 options:
32.3
20
26.1
25.2
Question 5 (5 points)
Before starting a summer jobs program, the school board conducted a survey at various schools. They interviewed 30% of the high school students to know whether they would participate in the program. The results are shown in the graph.
Is this sampling method valid? If so, how many of 750 students of various high schools are likely to participate in this program?
Question 5 options:
no, 125
yes, 125
no, 625
yes, 625
Question 6 (5 points)
A number cube is tossed and the spinner below is spun. Find P(3 and C).
Question 6 options:
Question 7 (5 points)
Matthew has 8 dimes and 10 quarters in a box. Find the probability of drawing a dime.
Question 7 options:
Question 8 (5 points)
In baseball, Shintaro had 4 hits in his last 12 times at bat.
If Shintaro has 36 at bats in the next week, about how many hits will he have?Question 8 options:
24
12
10
9
Question 9 (5 points)
Find the mean of each set of data. Round to the nearest tenth if necessary.
14, 39, 27, 17, 17, 25, 10, 37Question 9 options:
23.3
21.3
24.8
21
Question 10 (5 points)
The table shows the number of campsite reservations at two different state parks over the past 10 weekends.
Number of Campsite Reservations
East Fork
32
36
39
39
43
45
50
51
56
80
Blue Ridge
38
40
45
47
51
52
60
62
69
73
Are there any outliers in the data for either state park? Question 10 options:
The data points 56 and 80 reservations are outliers for East Fork.
The data point 38 reservations is an outlier for Blue Ridge.
The data point 80 reservations is an outlier for East Fork.
There are no outliers.
Question 11 (5 points)
Find the range for the set of data.
101, 72, 115, 114, 117, 56, 101, 68, 111, 58, 51, 51, 90Question 11 options:
64
85
66
90
Question 12 (5 points)
Find the probability.
A marble is randomly selected from a bag containing 15 black, 12 white, and 6 clear marbles. Find P(not clear). Round to the nearest percent if necessary.
Question 12 options:
18%
82%
64%
55%
Question 13 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
14.6, 28.1, 3.9, 7.1, 5.3, 30.9, 2.8, 6.5, 20.8, 16.4, 16.4, 27.1, 53.5, 12.5, 6.1 Question 13 options:
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 20, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: 2.8
median: 14.6, Q1: 6.1, Q3: 25.1, IR: 21, outliers: none
Question 14 (5 points)
Nina’s quiz scores for the quarter are 90, 79, 5, 84, 95, 81, 87, and 94. Which measure of central tendency best represents the data shown in the table and why?
Question 14 options:
Since the data have many repeated values, the mode best represents the data.
Since there is an extreme value (5) and there are no big gaps in the middle of the data, the median best represents the data.
Since there are no extreme values, the mean best represents the data.
Since there are no extreme values and few repeated numbers, the median best represents the data.
Question 15 (5 points)
The frequency table shows Sam’s record in swimming.
Year
Number of medals
2008
6
2009
4
2010
1
2012
7
2013
4
Based on this record, what is the probability of picking up a medal won by him in the years 2009 or 2012.
Question 15 options:
2
Question 16 (5 points)
Lionel is apartment hunting. He makes a table of prospective apartment choices.
Apartment Rental PricesApartment ChoicePrice per Month ($)1630275536754765569066807675
Which measure of central tendency best represents the data shown in the table and why?
Question 16 options:
Since the data is grouped close together, the mode best represents the data.
Since there are no extreme values, the median best represents the data.
Since there are no extreme values and few repeated numbers, the mean best represents the data.
Since the value 675 occurs more than once, the mode best represents the data.
Question 17 (5 points)
The table shows the number of points scored by each team in a tournament.
Number of Points Scored
12
25
16
20
31
16
19
22
Find the mean absolute deviation of the number of points scored. Round to the nearest hundredth if necessary.
Question 17 options:
4.41
16
20.13
35.26
Question 18 (5 points)
Find the mode of each set of data.
33, 19, 15, 39, 39, 34, 24, 29Question 18 options:
31
29
32
39
Question 19 (5 points)
Find the probability.
A bag of sweets contains 20 gummy bears and 35 orange slices. One sweet is taken at random from the bag. Find P(gummy bear).Question 19 options:
Question 20 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
111, 68, 93, 88, 74, 152, 119, 87, 88, 105, 84, 102, 151, 115, 112 Question 20 options:
median: 102, Q1: 87, Q3: 113, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 28, outliers: 68
median: 102, Q1: 87, Q2: 115, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 27, outliers: none
Submit Quiz0 of 20 questions saved
13 pages
Jm Irp Presentation
Due to the increasing population, houses are on higher demand. Prices are believed to be escalating from place to place, w ...
Jm Irp Presentation
Due to the increasing population, houses are on higher demand. Prices are believed to be escalating from place to place, while others think that it is ...
1 page
Limitations And Opportunities
Census data is essential because it helps us to know where we are headed as a nation. The government and community use cen ...
Limitations And Opportunities
Census data is essential because it helps us to know where we are headed as a nation. The government and community use census data to make meaningful ...
Find the volume of the solid obtained by rotating the region bounded by the given curves
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y= ...
Find the volume of the solid obtained by rotating the region bounded by the given curves
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x2x=y2 about the axis x=–5
Mth 245 Project
MTH 245 Project: Making an Informed DecisionChoose one of the following two research scenarios. You will use the same t ...
Mth 245 Project
MTH 245 Project: Making an Informed DecisionChoose one of the following two research scenarios. You will use the same topic for all parts of the project during this course.Option 1: Home ValuesOne of the biggest purchases we make in our lifetimes is for a home. How much should we spend on our home? Are we getting good value for our money? In this project, you will identify the cost of a typical home in the location that you want to live. You will investigate whether a particular home provides good value to the buyer.Option 2: Benefits of CollegeAre there benefits to attending college? If so, what are they? In this project, you will identify some of the perks that a college education provides. You will also investigate whether the cost of college is justified by your future earning potentialChoose one of the project topics listed above.Create a document and spreadsheet answering all the questions below. Submit your work in Canvas.In a few sentences, state your topic and give a reason why you made this choice.Create a random sample of either 50 homes in the area you want to live or 50 working adults (with or without a college education).How did you choose these 50 elements of the population? Define the population that you are researching and provide specific details about how you chose the elements for your sample.What type of random sample did you create? Or is it a convenience sample? Briefly explain the statistical pros/cons of the method you chose.Do you think there is any bias in your sample?Collect some data for your sample and organize the data in a spreadsheet (you can use Excel, Statcrunch, etc). The data can be made up, but it should be somewhat realistic. You must have at least some data at the RATIO level of measurement.Option 1: You can use information like zip code, subdivision name, sale price, square footage, number of bedrooms, number of bathrooms, etc.Option 2: You can get information like highest school attended, number of years of college, type of college (trade, community, public 4-year, private 4-year), annual salary, cost of your education, college, GPA, etc.Organize the data as necessary and create at least two graphs that summarize your data in an informative way. Use statistical software. Be sure to format and label the visual aids as needed.Use software to compute descriptive statistics for each column of your spreadsheet. Make sure there is a label for each statistic (i.e. Sale Price MEAN: $456,295)For qualitative data, you can find the mode or compute relative frequencies.For quantitative data, compute at least the mean, median, range, and sample standard deviation.Choose one quantitative variable. Compute the Five-Number Summary and create a boxplot. Is the distribution of this variable symmetric or skewed? How do you know?Choose a different quantitative variable. Determine whether there are any outliers in the data and explain why or why not.Make up any 3 probability questions about your data and compute the probabilities. You must include at least one conditional probability. Show your work for each answer or provide a brief explanation. For example:What is the probability that a home in my sample has 3 or more bedrooms?What is the probability that someone earns less than $40,000 given that they went to college?
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