Compute the Sample Mean and Sample Standard Deviation from the Following

question 129

Short Answer

Compute the sample mean and sample standard deviation from the following set of grouped data: $$\begin{array} { | c | c | } \hline \boldsymbol { x } & \boldsymbol { f } \\\hline 0 & 8 \\1 & 10 \\2 & 12 \\3 & 9 \\4 & 1 \\\hline\end{array}$$ $\bar { x }$ = ____________________.
s = ____________________.

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