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?
