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For the Following Data Set, Approximate the Sample Standard Deviation

Question 65

Multiple Choice

For the following data set, approximate the sample standard deviation of emails per day.  Emails (per day)   Frequency 8−111812−152316−193820−234724−2732\begin{array} { c | c } \text { Emails (per day) } & \text { Frequency } \\\hline 8 - 11 & 18 \\12 - 15 & 23 \\16 - 19 & 38 \\20 - 23 & 47 \\24 - 27 & 32\end{array}


A) 5.1 emails
B) 4.0 emails
C) 25.8 emails
D) 19.3 emails

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