Description
The relative frequency of the scores in a class interval = .25 What does that mean
a interval represent 1/4 of the total
b interval have 25% of the total value
c interval are unlikely to occur
d interval represent the lowest .25 of the distribution
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
Please let me know if you need any clarification. I'm always happy to answer your questions.
b interval have 25% of the total value
best me please
Please let me know if you need any clarification. I'm always happy to answer your questions.Completion Status:
100%
Review
Review
Anonymous
I was having a hard time with this subject, and this was a great help.
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
3 pages
Discuss Confidence Intervals
In everyday terms, a confidence interval is the range of values around a sample statistic (such as mean or proportion) wit ...
Discuss Confidence Intervals
In everyday terms, a confidence interval is the range of values around a sample statistic (such as mean or proportion) within which clinicians can ...
Deliverable 6 - Analysis with Correlation and Regression
CompetencyDetermine and interpret the linear correlation coefficient, and use linear regression to find a best fit line fo ...
Deliverable 6 - Analysis with Correlation and Regression
CompetencyDetermine and interpret the linear correlation coefficient, and use linear regression to find a best fit line for a scatter plot of the data and make predictions.ScenarioAccording to the U.S. Geological Survey (USGS), the probability of a magnitude 6.7 or greater earthquake in the Greater Bay Area is 63%, about 2 out of 3, in the next 30 years. In April 2008, scientists and engineers released a new earthquake forecast for the State of California called the Uniform California Earthquake Rupture Forecast (UCERF).As a junior analyst at the USGS, you are tasked to determine whether there is sufficient evidence to support the claim of a linear correlation between the magnitudes and depths from the earthquakes. Your deliverables will be a PowerPoint presentation you will create summarizing your findings and an excel document to show your work.Concept being StudiedCorrelation and regressionCreating scatterplotsConstructing and interpreting a Hypothesis Test for Correlation using r as the test statisticYou are given a spreadsheet that contains the following information:Magnitude measured on the Richter scaleDepth in kmUsing the spreadsheet, you will answer the problems below in a PowerPoint presentation.What to SubmitThe PowerPoint presentation should answer and explain the following questions based on the spreadsheet provided above.Slide 1: Title slideSlide 2: Introduce your scenario and data set including the variables provided.Slide 3: Construct a scatterplot of the two variables provided in the spreadsheet. Include a description of what you see in the scatterplot.Slide 4: Find the value of the linear correlation coefficient r and the critical value of r using α = 0.05. Include an explanation on how you found those values.Slide 5: Determine whether there is sufficient evidence to support the claim of a linear correlation between the magnitudes and the depths from the earthquakes. Explain.Slide 6: Find the regression equation. Let the predictor (x) variable be the magnitude. Identify the slope and the y-intercept within your regression equation.Slide 7: Is the equation a good model? Explain. What would be the best predicted depth of an earthquake with a magnitude of 2.0? Include the correct units.Slide 8: Conclude by recapping your ideas by summarizing the information presented in context of the scenario.Along with your PowerPoint presentation, you should include your Excel document which shows all calculations.
6 pages
Scatterplot
1. Write a complete explanation for the word 'correlation'. Be sure to use complete sentences and to explain what correlat ...
Scatterplot
1. Write a complete explanation for the word 'correlation'. Be sure to use complete sentences and to explain what correlation can be, what it cannot
4 pages
Financial Risk Survey
Discuss two areas or specific items covered in this course that you can foresee going through radical change over the next ...
Financial Risk Survey
Discuss two areas or specific items covered in this course that you can foresee going through radical change over the next 10 years. Provide a ...
Precalculus: Analytic Geometry and Algebra - Project 3
I am needing help with my project 3 in Precalculus: Analytic Geometry and Algebra. Needing it by Saturday, June 23rd. Mu ...
Precalculus: Analytic Geometry and Algebra - Project 3
I am needing help with my project 3 in Precalculus: Analytic Geometry and Algebra. Needing it by Saturday, June 23rd. Much appreciated.
Southern New Hampshire University B&K Real Estate Company Statistics Question
The B&K Real Estate Company sells homes and is currently serving the Southeast region. It has recently expanded to cover t ...
Southern New Hampshire University B&K Real Estate Company Statistics Question
The B&K Real Estate Company sells homes and is currently serving the Southeast region. It has recently expanded to cover the Northeast states. The B&K realtors are excited to now cover the entire East Coast and are working to prepare their southern agents to expand their reach to the Northeast.B&K has hired your company to analyze the Northeast home listing prices in order to give information to their agents about the mean listing price at 95% confidence. Your company offers two analysis packages: one based on a sample size of 100 listings, and another based on a sample size of 1,000 listings. Because there is an additional cost for data collection, your company charges more for the package with 1,000 listings than for the package with 100 listings.Sample size of 100 listings:95% confidence interval for the mean of the Northeast house listing price has a margin of error of $25,000Cost for service to B&K: $2,000Sample size of 1,000 listings:95% confidence interval for the mean of the Northeast house listing price has a margin of error of $5,000Cost for service to B&K: $10,000The B&K management team does not understand the tradeoff between confidence level, sample size, and margin of error. B&K would like you to come back with your recommendation of the sample size that would provide the sales agents with the best understanding of northeast home prices at the lowest cost for service to B&K.In other words, which option is preferable?Spending more on data collection and having a smaller margin of errorSpending less on data collection and having a larger margin of errorChoosing an option somewhere in the middleFor your initial post:Formulate a recommendation and write a confidence statement in the context of this scenario. For the purposes of writing your confidence statement, assume the sample mean house listing price is $310,000 for both packages. “I am [#] % confident the true mean . . . [in context].”Explain the factors that went into your recommendation, including a discussion of the margin of error
Similar Content
Trigonometric Functions, calculus homework help
Hello. Thanks in advance for the help....
Solve a Problem by Replacing the Letters With Numbers 0-9
I need to replace the letters with a number 0-9 and can not use a number for more than one letter. The problem is send m...
Thomas Edison State University Statistics Question and Worksheet
OVERVIEW
For this project, you will analyze the set of data provided in the Student Data Table. Develop
two research quest...
Mount Royal University Effect of Chocolates on Sprint Performance Email
I need help completing this assignment for stats. I attached the file with alll the requirements and information. ...
Module 17 Estimating a Population Proportion Questions
I want you to cover the modules due on 19thModule, 14,15,16 and 17 ...
PSYC 121 College of San Mateo Phsycology Final Exam Questions
Type item number for each answer, and a “True” OR “False” answer only will be accepted and counted. Do not include...
7.2 Exercise Converted
...
Wet Bulb Tempretures 1
The two graphs represent the bulb temperatures in degree delicious with the corresponding humidity percentages. It can be ...
Prompt
2. Yes t-test can be used for this data since the sample size is large enough (i.e. n>30). 4. From the results, the obtain...
Related Tags
Book Guides
Death Of A Salesmen
by Arthur Miller
Cant Hurt Me - Master Your Mind and Defy the Odds
by David Goggins
The Turn of the Screw
by Henry James
The Color Purple
by Alice Walker
The BFG
by Roald Dahl
2001 A Space Odyssey
by Arthur Clarke
The Joy Luck Club
by Amy Tan
The Mayor of Casterbridge
by Thomas Hardy
Get 24/7
Homework help
Our tutors provide high quality explanations & answers.
Post question
Most Popular Content
3 pages
Discuss Confidence Intervals
In everyday terms, a confidence interval is the range of values around a sample statistic (such as mean or proportion) wit ...
Discuss Confidence Intervals
In everyday terms, a confidence interval is the range of values around a sample statistic (such as mean or proportion) within which clinicians can ...
Deliverable 6 - Analysis with Correlation and Regression
CompetencyDetermine and interpret the linear correlation coefficient, and use linear regression to find a best fit line fo ...
Deliverable 6 - Analysis with Correlation and Regression
CompetencyDetermine and interpret the linear correlation coefficient, and use linear regression to find a best fit line for a scatter plot of the data and make predictions.ScenarioAccording to the U.S. Geological Survey (USGS), the probability of a magnitude 6.7 or greater earthquake in the Greater Bay Area is 63%, about 2 out of 3, in the next 30 years. In April 2008, scientists and engineers released a new earthquake forecast for the State of California called the Uniform California Earthquake Rupture Forecast (UCERF).As a junior analyst at the USGS, you are tasked to determine whether there is sufficient evidence to support the claim of a linear correlation between the magnitudes and depths from the earthquakes. Your deliverables will be a PowerPoint presentation you will create summarizing your findings and an excel document to show your work.Concept being StudiedCorrelation and regressionCreating scatterplotsConstructing and interpreting a Hypothesis Test for Correlation using r as the test statisticYou are given a spreadsheet that contains the following information:Magnitude measured on the Richter scaleDepth in kmUsing the spreadsheet, you will answer the problems below in a PowerPoint presentation.What to SubmitThe PowerPoint presentation should answer and explain the following questions based on the spreadsheet provided above.Slide 1: Title slideSlide 2: Introduce your scenario and data set including the variables provided.Slide 3: Construct a scatterplot of the two variables provided in the spreadsheet. Include a description of what you see in the scatterplot.Slide 4: Find the value of the linear correlation coefficient r and the critical value of r using α = 0.05. Include an explanation on how you found those values.Slide 5: Determine whether there is sufficient evidence to support the claim of a linear correlation between the magnitudes and the depths from the earthquakes. Explain.Slide 6: Find the regression equation. Let the predictor (x) variable be the magnitude. Identify the slope and the y-intercept within your regression equation.Slide 7: Is the equation a good model? Explain. What would be the best predicted depth of an earthquake with a magnitude of 2.0? Include the correct units.Slide 8: Conclude by recapping your ideas by summarizing the information presented in context of the scenario.Along with your PowerPoint presentation, you should include your Excel document which shows all calculations.
6 pages
Scatterplot
1. Write a complete explanation for the word 'correlation'. Be sure to use complete sentences and to explain what correlat ...
Scatterplot
1. Write a complete explanation for the word 'correlation'. Be sure to use complete sentences and to explain what correlation can be, what it cannot
4 pages
Financial Risk Survey
Discuss two areas or specific items covered in this course that you can foresee going through radical change over the next ...
Financial Risk Survey
Discuss two areas or specific items covered in this course that you can foresee going through radical change over the next 10 years. Provide a ...
Precalculus: Analytic Geometry and Algebra - Project 3
I am needing help with my project 3 in Precalculus: Analytic Geometry and Algebra. Needing it by Saturday, June 23rd. Mu ...
Precalculus: Analytic Geometry and Algebra - Project 3
I am needing help with my project 3 in Precalculus: Analytic Geometry and Algebra. Needing it by Saturday, June 23rd. Much appreciated.
Southern New Hampshire University B&K Real Estate Company Statistics Question
The B&K Real Estate Company sells homes and is currently serving the Southeast region. It has recently expanded to cover t ...
Southern New Hampshire University B&K Real Estate Company Statistics Question
The B&K Real Estate Company sells homes and is currently serving the Southeast region. It has recently expanded to cover the Northeast states. The B&K realtors are excited to now cover the entire East Coast and are working to prepare their southern agents to expand their reach to the Northeast.B&K has hired your company to analyze the Northeast home listing prices in order to give information to their agents about the mean listing price at 95% confidence. Your company offers two analysis packages: one based on a sample size of 100 listings, and another based on a sample size of 1,000 listings. Because there is an additional cost for data collection, your company charges more for the package with 1,000 listings than for the package with 100 listings.Sample size of 100 listings:95% confidence interval for the mean of the Northeast house listing price has a margin of error of $25,000Cost for service to B&K: $2,000Sample size of 1,000 listings:95% confidence interval for the mean of the Northeast house listing price has a margin of error of $5,000Cost for service to B&K: $10,000The B&K management team does not understand the tradeoff between confidence level, sample size, and margin of error. B&K would like you to come back with your recommendation of the sample size that would provide the sales agents with the best understanding of northeast home prices at the lowest cost for service to B&K.In other words, which option is preferable?Spending more on data collection and having a smaller margin of errorSpending less on data collection and having a larger margin of errorChoosing an option somewhere in the middleFor your initial post:Formulate a recommendation and write a confidence statement in the context of this scenario. For the purposes of writing your confidence statement, assume the sample mean house listing price is $310,000 for both packages. “I am [#] % confident the true mean . . . [in context].”Explain the factors that went into your recommendation, including a discussion of the margin of error
Earn money selling
your Study Documents