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  3. sales personnel for skillings distributors submit weekly reports listing the...

Question: sales personnel for skillings distributors submit weekly reports listing the...

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Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made during the week. A sample of 75 weekly reports showed a sample mean of 17.5 customer contacts per week. The sample standard deviation was 5.6 . Provide 90% and 95% confidence intervals for the population mean number of weekly customer contacts for the sales personnel.

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