हिंदी

If the variance of a data is 121, then the standard deviation of the data is ______.

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प्रश्न

If the variance of a data is 121, then the standard deviation of the data is ______.

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उत्तर

If the variance of a data is 121, then the standard deviation of the data is 11.

Explanation:

We know that S.D. = `sqrt("Variance")`

= `sqrt(121)`

= 11

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अध्याय 15: Statistics - Exercise [पृष्ठ २८३]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 11
अध्याय 15 Statistics
Exercise | Q 42 | पृष्ठ २८३

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