Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10th
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The standard deviation and mean of a data are 6.5 and 12.5 respectively. Find the coefficient of variation. - Mathematics

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Sum

The standard deviation and mean of a data are 6.5 and 12.5 respectively. Find the coefficient of variation.

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Solution

Standard deviation of a data (σ) = 6.5

Mean of the data `(barx)` = 12.5

Coefficient of variation = `sigma/barx xx 100 %`

= `6.5/12.5 xx 100 %`

= 52%

Coefficient of variation = 52%

Concept: Coefficient of Variation
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APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 10th SSLC Mathematics Answers Guide
Chapter 8 Statistics and Probability
Exercise 8.2 | Q 1 | Page 316
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