An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post-training customer survey. To compare the differences, they measured the number of positive relationships before and after the program. Seven customers were randomly selected and completed both surveys. The results follow:

Customer

Pre-training Survey

Post-training Survey

A

6

8

B

5

5

C

10

10

D

7

10

E

6

8

F

5

6

G

2

8

Was the training effective in improving customer relationships when tested at a 0.05 level of significance?

Alternative Hypothesis (H1)=Answer

d>0

d<0

2) Null Hypothesis (Ho)=Answer

d0

d0

3) Test Direction=Answer

one-tailed upper

two-tailed

one-tailedlower

4a) Test Statistic (t or z)=Answer

t

z

4b)Critical Value (to 3 decimal places, do NOT include + or -)=Answer

5) Test Statistic Value (t or z calculated value, to 2 decimal places, do NOT include + or -)=Answer

6) Conclusion: (Do Not Reject Ho/Reject Ho and Accept H1)