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For the Following Frequency Distribution  Class  Frequency 45−47348−50651−53854−56257−591\begin{array}{ll}\text { Class }&\text { Frequency }\\45-47 & 3 \\48-50 & 6 \\51-53 & 8 \\54-56 & 2 \\57-59 & 1\end{array}

Question 72

Short Answer

For the following frequency distribution,
 Class  Frequency 45−47348−50651−53854−56257−591\begin{array}{ll}\text { Class }&\text { Frequency }\\45-47 & 3 \\48-50 & 6 \\51-53 & 8 \\54-56 & 2 \\57-59 & 1\end{array}
a. Compute the mean.
b. Compute the standard deviation. Assume the data represent a population.)

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