Question 8

The standard deviation of the set {10, 10, 10, 10, 10} is

Solution

$$\Sigma\ \left(x-y\right)^2=0$$

Standard deviation = $$\sqrt{\ \frac{\Sigma\ \left(x-y\right)^2}{N-1}}=\sqrt{\ \frac{0}{5-1}}=0$$.

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