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PART - 2 CH - 13 Statistics — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSPART - 2 CH - 13 Statistics1 Mark
Question
Write the formula for the standard deviation.
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Answer

Standard deviation $\sigma=\sqrt{\frac{\sum_{i=1}^n x_i^2}{n}-\left(\frac{\sum_{i=1}^n x_i}{n}\right)^2}$

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