Question

A national survey on telemarketing was undertaken. One of the questions asked was: How long has your organization had a telemarketing operation? Suppose the following data represent some of the answers received to this question. Suppose further that only 300 telemarketing firms comprised the population when this survey was taken. Use the following data to compute a 98% confidence interval to estimate the average number of years a telemarketing organization has had a telemarketing operation. The population standard deviation is 3.06.


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  • CreatedFebruary 19, 2015
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