SCENARIO 10-13
the Amount of Time Required to Reach a Customer

Multiple Choice

SCENARIO 10-13
The amount of time required to reach a customer service representative has a huge impact on customer satisfaction.Below is the Excel output from a study to see whether there is evidence of a difference in the mean amounts of time required to reach a customer service representative between two hotels.Assume that the population variances in the amount of time for the two hotels are not equal.
t-Test: Two-Sample Assuming Unequal Variances

Two-Sample Tests 10-41
-Referring to Scenario 10-13,which of the following represents the relevant hypotheses tested?

A) H 0 :? _I – ? II $\ge$ 0 versus H1 :? _I – ? II < 0
B) H 0 :? _I – ? II $\le$ 0 versus H1 :? _I – ? II > 0
C) H 0 :? _I – ? II = 0 versus H1 :? _I – ? II $\neq$ 0
D) H 0 :? _I – ? II $\neq$ 0 versus H1 :? _I – ? _II =0