Consider the following data on the ratings for the measure of job satisfaction for lawyers, physical therapist and syste

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Consider The Following Data On The Ratings For The Measure Of Job Satisfaction For Lawyers Physical Therapist And Syste 1 (50.43 KiB) Viewed 63 times

Consider the following data on the ratings for the measure of job satisfaction for lawyers, physical therapist and system analysts Lawyers 55 42 80 53 50 64 74 55 60 52 Physical therapists 44 78 79 60 59 55 80 84 79 78 Systems Analyst 54 65 71 79 64 84 79 76 64 55 a. The confidence interval for the difference between mean job satisfaction for lawyers and system analyst was found to be [-3.441, 24.641). What was the confidence level? (6 marks) b. State any appropriate hypothesis that can be tested for the above data if the difference between any two sample means is 8. Use 4% level of significance to test the stated hypothesis. Use p-value approach (9 marks) c. Is there any error that has been committed in (b) above? Reasons 2 marks)