Job satisfaction (When you first read about this exercisebreak plan in Chapter 23, you did not have an inferencemethod that would work. Try again now.) A companyinstitutes an exercise break for its workers to see if it willimprove job satisfaction, as measured by a questionnairethat assesses workers’ satisfaction. Scores for 10 randomlyselected workers before and after the implementation ofthe exercise program are shown in the table.a) Identify the procedure you would use to assess theeffectiveness of the exercise program, and check to seeif the conditions allow the use of that procedure.b) Test an appropriate hypothesis and state yourconclusion.c) If your conclusion turns out to be incorrect, what kindof error did you commit? WorkerNumberJob Satisfaction IndexBefore After1 34 332 28 363 29 504 45 415 26 376 27 417 24 398 15 219 15 2010 27 37
Job satisfaction (When you first read about this exercise
break plan in Chapter 23, you did not have an inference
method that would work. Try again now.) A company
institutes an exercise break for its workers to see if it will
improve job satisfaction, as measured by a questionnaire
that assesses workers’ satisfaction. Scores for 10 randomly
selected workers before and after the implementation of
the exercise program are shown in the table.
a) Identify the procedure you would use to assess the
effectiveness of the exercise program, and check to see
if the conditions allow the use of that procedure.
b) Test an appropriate hypothesis and state your
conclusion.c) If your conclusion turns out to be incorrect, what kind
of error did you commit?
Worker
Number
Job Satisfaction Index
Before After
1 34 33
2 28 36
3 29 50
4 45 41
5 26 37
6 27 41
7 24 39
8 15 21
9 15 20
10 27 37
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