The Following Frequency Distribution Shows the ACT Scores of a Sample

question 91

Short Answer

The following frequency distribution shows the ACT scores of a sample of students:
$$\begin{array} { c c } \text { Score } & \text { Frequency } \\14-18 & 2 \\19-23 & 5 \\24-28 & 12 \\29-33 & 1\end{array}$$ For the above data, compute the following.
a. The mean
b. The standard deviation

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