A Researcher Has Collected the Following Sample Data $$\begin{array} { l l l l l } 3 & 5 & 12 & 3 & 2\end{array}$$

question 48

Multiple Choice

A researcher has collected the following sample data.The mean of the sample is 5. $$\begin{array} { l l l l l } 3 & 5 & 12 & 3 & 2\end{array}$$ The standard deviation is

• A) 8.944.
• B) 4.062.
• C) 13.2.
• D) 16.5.

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