KiwiJelly2587
29.07.2019 •
Mathematics
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 19.5 customer contacts per week. the sample standard deviation was 5.3. provide 90% and 95% confidence intervals for the population mean number of weekly customer contacts for the sales personnel.
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it's d
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