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,what is(are) the critical value(s) of the relevant hypothesis test if the level of significance is 0.10?

A) 1.6860
B) $\pm$ 1.6860
C) 2.0244
D) $\pm$ 2.0244