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

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 the standardized value of the estimate of the mean of the sampling distribution for the difference between sample means?

A) 0.2025
B) 0.3544
C) 2.0115
D) 2.2140