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

question 73

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,suppose α = 0.05.Which of the following represents the correct conclusion for a test on a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels?

• A)There is no evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels.
• B)There is evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels.
• C)There is no evidence that the variabilities of the amount of time required to reach a customer service representative between the two hotels are the same.
• D)There is evidence that the variabilities of the amount of time required to reach a customer service representative between the two hotels are the same.

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