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Mr. Brown the CEO of a corporate company wants to know if a new method of...

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Question

Statistics

Mr. Brown the CEO of a corporate company wants to know if a newmethod of rewarding employees influences morale. He gives 12employees an anonymous survey measuring morale, implements the newmethod, and then measures morale again after four weeks.

Employee

1

2

3

4

5

6

7

8

9

10

11

12

Before

4

7

1

6

6

3

5

6

6

2

8

7

After

6

6

5

7

8

6

9

7

8

4

9

9

a. State the null and alternative hypotheses

b. State the rejection region

c. Conduct a sign test on the above data

d. What can you conclude?

Answer & Explanation Solved by verified expert
4.2 Ratings (697 Votes)
It is assumed that the values are independent and come from samecontinuous distributiona Null hypothesisThe Difference between the pairsbefore and after has zero medianor the Differences    See Answer
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