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Questions  >>  CBSE XI  >>  Math  >>  Statistics
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Q)

When tested , the lives (in hours) of $5$ bulbs were noted as follows : $1357,1090,1666,1494,1623$ The mean deviations (in hours) from their mean is

$\begin{array}{1 1}(A)\;178\\(B)\;179\\(C)\;220\\(D)\;356\end{array} $

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