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Assuming the variance of four numbers w, x, y, and z as 9. Find the variance of 5w, 5x, 5y and 5z.

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MCQs on mean deviation, variance and standard deviation, frequency distributions analysis, dispersion measure and range.


Assuming the variance of four numbers w, x, y, and z as 9. Find the variance of 5w, 5x, 5y and 5z.






 
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