Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made during the week . A sample 55 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 . 90% Confidence interval , to 2 decimals : 95% Confidence interval , to 2 decimals :
Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made during the week . A sample 55 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 . 90% Confidence interval , to 2 decimals : 95% Confidence interval , to 2 decimals :
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made during the week . A sample 55 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 . 90% Confidence interval , to 2 decimals : 95% Confidence interval , to 2 decimals :
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