Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 09 Feb 2018 My Price 7.00

customer service centers

A credit card company operates two customer service centers: one in Boise and one in Richmond. Callers to the service centers dial a single number, and a computer program routs callers to the center having the fewest calls waiting. As part of a customer service review program, the credit card center would like to determine whether the average length of a call (not including hold time) is different for the two centers. The managers of the customer service centers are willing to assume that the populations of interest are normally distributed with equal variances. Supposea random sample of phone calls to the two centers is selected and the following results are reported:

a. Using the sample results, develop a 90% confidence interval estimate for the difference between the two population means.

b. Based on the confidence interval constructed in part a, what can be said about the difference between the average call times at the two centers?

Answers

Maurice Tutor
(5)
Status NEW Posted 09 Feb 2018 11:02 PM My Price 7.00

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