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Testing for Correlation and Bivariate Regression
Testing for Correlation and Bivariate RegressionYou had the chance earlier in the week to practice with the correlation an ...
Testing for Correlation and Bivariate Regression
Testing for Correlation and Bivariate RegressionYou had the chance earlier in the week to practice with the correlation and simple linear regression and obtain peer feedback. Hopefully you are excited about the potential these tests hold; equally important is that you recognize some of their weaknesses. Now, it is once again time to put all of that good brainstorming to use and answer a social research question with the correlation and simple linear regression. As you begin the Assignment, be sure and pay close attention to the assumptions of the test. Specifically, make sure that your variables are metric level variables that can easily be interpreted in these tests.For this Assignment, you will examine correlation and bivariate regression testing.To prepare for this Assignment:Review this week’s Learning Resources and media program related to regression and correlation.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 Pearson correlation and bivariate regression.Once you perform your correlation and bivariate regression analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Assignment:Write a 2- to 3-paragraph analysis of your correlation and bivariate 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.
12 pages
statistics test
2. A random sample of 500 pineapples was taken from a large consignment and 65 were found to be bad. Show that the S.E of ...
statistics test
2. A random sample of 500 pineapples was taken from a large consignment and 65 were found to be bad. Show that the S.E of the proportion of bad ones in a sample of size is 0.015 and deduce that the percentage of bad pineapples in the
STAT250 George Mason University StatCrunch and Data Analysis Report
Hello, Please take a look at the this data analysis assignment and see if you can help finish by today.
STAT250 George Mason University StatCrunch and Data Analysis Report
Hello, Please take a look at the this data analysis assignment and see if you can help finish by today.
Course Project , statistics homework help
This week you will begin working on Phase 4 of your course project.
For Phase 4 of your course project, you will want ...
Course Project , statistics homework help
This week you will begin working on Phase 4 of your course project.
For Phase 4 of your course project, you will want to review your
instructor's feedback from your Phase 1, Phase 2, and Phase 3
submissions to make any necessary corrections. Remember if you have
questions about the feedback to ask your instructor for assistance.Once you have made your corrections, you will compile your
information from Phase 1, Phase 2, Phase 3 and your final conclusion
into one submission and submit this as your rough draft for Phase 4 of
the course project. Below is a summary of the expectations for Phase 4
of the course project:Introduce your scenario and data set.Provide a brief overview of the scenario you are given above and the data set that you will be analyzing.
Classify the variables in your data set.Which variables are quantitative/qualitative?
Which variables are discrete/continuous?
Describe the level of measurement for each variable included in your data set.
Discuss the importance of the Measures of Center and the Measures of Variation.What are the measures of center and why are they important?
What are the measures of variation and why are they important?
Calculate the measures of center and measures of variation. Interpret your results in context of the selected topic.Mean
Median
Mode
Midrange
Range
Variance
Standard Deviantion
Discuss the importance of constructing confidence intervals for the population mean.What are confidence intervals?
What is a point estimate?
What is the best point estimate for the population mean? Explain.
Why do we need confidence intervals?
Based on your selected topic, evaluate the following:Find the best point estimate of the population mean.
Construct a 95% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown.Please show your work for the construction of this
confidence interval and be sure to use the Equation Editor to format
your equations.
Write a statement that correctly interprets the confidence interval in context of your selected topic.
Based on your selected topic, evaluate the following:Find the best point estimate of the population mean.
Construct a 99% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown.Please show your work for the construction of this
confidence interval and be sure to use the Equation Editor to format
your equations.
Write a statement that correctly interprets the confidence interval in context of your selected topic.
Compare and contrast your findings for the 95% and 99% confidence interval.Did you notice any changes in your interval estimate? Explain.
What conclusion(s) can be drawn about your interval estimates when the confidence level is increased? Explain.
Discuss the process for hypothesis testing.Discuss the 8 steps of hypothesis testing?
When performing the 8 steps for hypothesis testing, which method do you prefer; P-Value method or Critical Value method? Why?
Perform the hypothesis test.
If you selected Option 1:
Original Claim: The average salary for all jobs in Minnesota is less than $65,000.
Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.
If you selected Option 2:
Original Claim: The average age of all patients admitted to the hospital with infectious diseases is less than 65 years of age.
Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.
Based on your selected topic, answer the following:Write the null and alternative hypothesis symbolically and identify which hypothesis is the claim.
Is the test two-tailed, left-tailed, or right-tailed? Explain.
Which test statistic will you use for your hypothesis test; z-test or t-test? Explain.
What is the value of the test-statistic? What is the P-value?
What is the critical value?
5.) What is your decision; reject the null or do not reject the null?
Explain why you made your decision including the results for your p-value and the critical value.
State the final conclusion in non-technical terms.
ConclusionRecap your ideas by summarizing the information presented in context of your chosen scenario.
Please be sure to show all of your work and use the Equation Editor to format your equations.
This assignment should be formatted using APA guidelines and a minimum of 2 pages in length.
Keiser Career College Greenacres Discrete Probability Distribution Worksheet
#32 the In Exercises 27–32, determine whether the table represents a discrete probability distribution. If not, explain ...
Keiser Career College Greenacres Discrete Probability Distribution Worksheet
#32 the In Exercises 27–32, determine whether the table represents a discrete probability distribution. If not, explain why not. x P(x) -4 0.35 -1 0.25 0 0.15 2 0.25 Pg 278 Section 6.2 #36 F Coronary bypass surgery: The Agency for Healthcare Research and Quality reported that 53% of people who had coronary bypass surgery in a recent year were over age of 65. Fifteen coronary bypass patients are sampled.
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Most Popular Content
Testing for Correlation and Bivariate Regression
Testing for Correlation and Bivariate RegressionYou had the chance earlier in the week to practice with the correlation an ...
Testing for Correlation and Bivariate Regression
Testing for Correlation and Bivariate RegressionYou had the chance earlier in the week to practice with the correlation and simple linear regression and obtain peer feedback. Hopefully you are excited about the potential these tests hold; equally important is that you recognize some of their weaknesses. Now, it is once again time to put all of that good brainstorming to use and answer a social research question with the correlation and simple linear regression. As you begin the Assignment, be sure and pay close attention to the assumptions of the test. Specifically, make sure that your variables are metric level variables that can easily be interpreted in these tests.For this Assignment, you will examine correlation and bivariate regression testing.To prepare for this Assignment:Review this week’s Learning Resources and media program related to regression and correlation.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 Pearson correlation and bivariate regression.Once you perform your correlation and bivariate regression analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Assignment:Write a 2- to 3-paragraph analysis of your correlation and bivariate 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.
12 pages
statistics test
2. A random sample of 500 pineapples was taken from a large consignment and 65 were found to be bad. Show that the S.E of ...
statistics test
2. A random sample of 500 pineapples was taken from a large consignment and 65 were found to be bad. Show that the S.E of the proportion of bad ones in a sample of size is 0.015 and deduce that the percentage of bad pineapples in the
STAT250 George Mason University StatCrunch and Data Analysis Report
Hello, Please take a look at the this data analysis assignment and see if you can help finish by today.
STAT250 George Mason University StatCrunch and Data Analysis Report
Hello, Please take a look at the this data analysis assignment and see if you can help finish by today.
Course Project , statistics homework help
This week you will begin working on Phase 4 of your course project.
For Phase 4 of your course project, you will want ...
Course Project , statistics homework help
This week you will begin working on Phase 4 of your course project.
For Phase 4 of your course project, you will want to review your
instructor's feedback from your Phase 1, Phase 2, and Phase 3
submissions to make any necessary corrections. Remember if you have
questions about the feedback to ask your instructor for assistance.Once you have made your corrections, you will compile your
information from Phase 1, Phase 2, Phase 3 and your final conclusion
into one submission and submit this as your rough draft for Phase 4 of
the course project. Below is a summary of the expectations for Phase 4
of the course project:Introduce your scenario and data set.Provide a brief overview of the scenario you are given above and the data set that you will be analyzing.
Classify the variables in your data set.Which variables are quantitative/qualitative?
Which variables are discrete/continuous?
Describe the level of measurement for each variable included in your data set.
Discuss the importance of the Measures of Center and the Measures of Variation.What are the measures of center and why are they important?
What are the measures of variation and why are they important?
Calculate the measures of center and measures of variation. Interpret your results in context of the selected topic.Mean
Median
Mode
Midrange
Range
Variance
Standard Deviantion
Discuss the importance of constructing confidence intervals for the population mean.What are confidence intervals?
What is a point estimate?
What is the best point estimate for the population mean? Explain.
Why do we need confidence intervals?
Based on your selected topic, evaluate the following:Find the best point estimate of the population mean.
Construct a 95% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown.Please show your work for the construction of this
confidence interval and be sure to use the Equation Editor to format
your equations.
Write a statement that correctly interprets the confidence interval in context of your selected topic.
Based on your selected topic, evaluate the following:Find the best point estimate of the population mean.
Construct a 99% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown.Please show your work for the construction of this
confidence interval and be sure to use the Equation Editor to format
your equations.
Write a statement that correctly interprets the confidence interval in context of your selected topic.
Compare and contrast your findings for the 95% and 99% confidence interval.Did you notice any changes in your interval estimate? Explain.
What conclusion(s) can be drawn about your interval estimates when the confidence level is increased? Explain.
Discuss the process for hypothesis testing.Discuss the 8 steps of hypothesis testing?
When performing the 8 steps for hypothesis testing, which method do you prefer; P-Value method or Critical Value method? Why?
Perform the hypothesis test.
If you selected Option 1:
Original Claim: The average salary for all jobs in Minnesota is less than $65,000.
Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.
If you selected Option 2:
Original Claim: The average age of all patients admitted to the hospital with infectious diseases is less than 65 years of age.
Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.
Based on your selected topic, answer the following:Write the null and alternative hypothesis symbolically and identify which hypothesis is the claim.
Is the test two-tailed, left-tailed, or right-tailed? Explain.
Which test statistic will you use for your hypothesis test; z-test or t-test? Explain.
What is the value of the test-statistic? What is the P-value?
What is the critical value?
5.) What is your decision; reject the null or do not reject the null?
Explain why you made your decision including the results for your p-value and the critical value.
State the final conclusion in non-technical terms.
ConclusionRecap your ideas by summarizing the information presented in context of your chosen scenario.
Please be sure to show all of your work and use the Equation Editor to format your equations.
This assignment should be formatted using APA guidelines and a minimum of 2 pages in length.
Keiser Career College Greenacres Discrete Probability Distribution Worksheet
#32 the In Exercises 27–32, determine whether the table represents a discrete probability distribution. If not, explain ...
Keiser Career College Greenacres Discrete Probability Distribution Worksheet
#32 the In Exercises 27–32, determine whether the table represents a discrete probability distribution. If not, explain why not. x P(x) -4 0.35 -1 0.25 0 0.15 2 0.25 Pg 278 Section 6.2 #36 F Coronary bypass surgery: The Agency for Healthcare Research and Quality reported that 53% of people who had coronary bypass surgery in a recent year were over age of 65. Fifteen coronary bypass patients are sampled.
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