Number of weekly customer contacts for sales personnel

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Reference no: EM131108014

Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made during the week. A sample of 65 weekly reports showed a sample mean of 18.5 customer contacts per week. The sample standard deviation was 5.8. Provide 90% and 95% confidence intervals for the population mean number of weekly customer contacts for the sales personnel.

90% Confidence, to 2 decimals:

( , )

95% Confidence, to 2 decimals:

( , )

Reference no: EM131108014

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