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. 

a. Use α = .05 to test for differences in the belief that a person’s job is likely to be automated 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.

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Таx Fast-Food Nurse Auditor Worker 4 6 7 6 4 7 3 7 4 4 4 6 5 6 5 4 7