The general social survey asked how many emails do you send in a day? The results of 928 respondents indicated to me number of emails sent in a day is 10.4 with a standard deviation of 28.5 construct a 95% confidence interval for the mean number of email sent per day

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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The general social survey asked how many emails do you send in a day? The results of 928 respondents indicated to me number of emails sent in a day is 10.4 with a standard deviation of 28.5 construct a 95% confidence interval for the mean number of email sent per day

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