Average Telephone Time on Hold Narrative

question 110

Essay

Average Telephone Time on Hold Narrative
A customer service representative was interested in comparing the average time (in minutes) customers are placed on hold when calling Gaz Metropolitain and Hydro-Quebec, both in Quebec. The representative obtained two independent random samples and calculated the following summary information: Assume the distributions of time a customer is on hold are approximately normal.
-Refer to Average Telephone Time on Hold Narrative. State the appropriate null and alternative hypotheses to test whether there is a significant difference between the two companies in average time a customer is on hold.

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Definitions:

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