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TV Sets
the Following Data Give the Number of TV

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TV Sets
The following data give the number of TV sets owned for a population of 4 families:  Family  A  B  C  D  Number of TV Sets 2143\begin{array} { | l | l l l l | } \hline \text { Family } & \text { A } & \text { B } & \text { C } & \text { D } \\\hline \text { Number of TV Sets } & 2 & 1 & 4 & 3 \\\hline\end{array}
Find the mean and the standard deviation for the population.
Mean:
SD:

Correct Answer:

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