The standard deviation for the following data 7, 8, 5, 6, 4, 2, 5, 8, 9, 7, 5 is:

7.2

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1.96

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2.5

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4.2

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Solution

The correct option is B
1.96

Calculation of standard deviation:

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Similar questions

10, 12, 40, 35, 14, 24, 13, 21, 42, 30

Find out standard deviation, given the following data:

8, 10, 12, 14, 16, 18, 20, 22, 24, 26

\begin{matrix} x_{i} & 3 & 8 & 13 & 18 & 23 f_{i} & 7 & 10 & 15 & 10 & 6 \end{matrix}

X	10	20	30	40	50	60	70
Y	05	15	30	35	25	27	08

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