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

question 65

Short Answer

TABLE 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.

-Referring to Table 10-13, what is the 95% confidence interval estimate for the difference in the two means if the two population variances are assumed to be the same?

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Definitions:

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A semicircular or polygonal termination or projection in a church, which often houses the altar and is located at the east end beyond the choir.

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An architectural style that evolved in France in the 12th century, characterized by pointed arches, ribbed vaults, and flying buttresses.

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