Make a Mann-Whitney Test for following data regarding customer satisfaction for two Dry Cleaners stores. Process at the 1% level of risk.
| Lee's Dry Cleaning |
Grant's Dry Cleaning |
| s1=220.5 |
s2=198.5 |
| n1=24 |
n2=24 |
| R1=18.725 |
R215.125 |
H0:
H1:
CVs: z =
TS: z =
Decision and Conclusion: Is there the difference in customer satisfaction between these two stores? Describe.