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A Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots and computers might one day do many of the jobs currently done by people (Pew Research website, http://www.pewinternet.org/2017/10/04/americans-attitudes-toward-a-future-in-which-robots-and-computers- can-do-many-human-jobs/). Suppose we have the following data collected from nurses, tax auditors, and fast- food workers in which a higher score means the person feels his or her job is more likely to be automated. Тах Fast-Food Nurse Auditor Worker 4. 6. 8 4. 6. 4. 6. 8. 6 6. 4 6 3. 6. a. Use a = 0.05 to test for differences in the belief that a person's job is likely to be automated for the three professions. F= (to 2 decimals) The p-value is less than 0.01 What is your conclusion? We reject the null hypothesis that the mean scores are the same for the three professions. b. Use Fisher's LSD procedure to compare the belief that a person's job will be automated for nurses and tax auditors. LSD (to 2 decimals)

A Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots and computers might one day do many of the jobs currently done by people (Pew Research website, http://www.pewinternet.org/2017/10/04/americans-attitudes-toward-a-future-in-which-robots-and-computers- can-do-many-human-jobs/). Suppose we have the following data collected from nurses, tax auditors, and fast- food workers in which a higher score means the person feels his or her job is more likely to be automated. Тах Fast-Food Nurse Auditor Worker 4. 6. 8 4. 6. 4. 6. 8. 6 6. 4 6 3. 6. a. Use a = 0.05 to test for differences in the belief that a person's job is likely to be automated for the three professions. F= (to 2 decimals) The p-value is less than 0.01 What is your conclusion? We reject the null hypothesis that the mean scores are the same for the three professions. b. Use Fisher's LSD procedure to compare the belief that a person's job will be automated for nurses and tax auditors. LSD (to 2 decimals)

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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A Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots and computers might one day do many of the jobs currently done by people (Pew Research website, http://www.pewinternet.org/2017/10/04/americans-attitudes-toward-a-future-in-which-robots-and-computers- can-do-many-human-jobs/). Suppose we have the following data collected from nurses, tax auditors, and fast- food workers in which a higher score means the person feels his or her job is more likely to be automated. Таx Fast-Food Nurse Auditor Worker 4. 6. 8. 4. 6 4 6. 7. 8. 6. 4 6. 7 a. Use a = 0.05 to test for differences in the belief that a person's job is likely to be automated for the three professions. F = (to 2 decimals) The p-value is less than 0.01 What is your conclusion? We reject the null hypothesis that the mean scores are the same for the three professions. b. Use Fisher's LSD procedure to compare the belief that a person's job will be automated for nurses and tax auditors. LSD = (to 2 decimals) What is your conclusion?
Transcribed Image Text:A Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots and computers might one day do many of the jobs currently done by people (Pew Research website, http://www.pewinternet.org/2017/10/04/americans-attitudes-toward-a-future-in-which-robots-and-computers- can-do-many-human-jobs/). Suppose we have the following data collected from nurses, tax auditors, and fast- food workers in which a higher score means the person feels his or her job is more likely to be automated. Таx Fast-Food Nurse Auditor Worker 4. 6. 8. 4. 6 4 6. 7. 8. 6. 4 6. 7 a. Use a = 0.05 to test for differences in the belief that a person's job is likely to be automated for the three professions. F = (to 2 decimals) The p-value is less than 0.01 What is your conclusion? We reject the null hypothesis that the mean scores are the same for the three professions. b. Use Fisher's LSD procedure to compare the belief that a person's job will be automated for nurses and tax auditors. LSD = (to 2 decimals) What is your conclusion?
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