UPSKILL MATH PLUS

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5. Calculate the standard deviation and coefficient of variation

If \(n = 7\), \(\overline x = 9\), \(\sum x^2 = 771\), then determine the standard deviation and the coefficient of variation.

Answer:

The standard deviation of the given data \(=\) . (Round off to \(3\) decimal places.)

The coefficient of variation of the given data \(=\) \(\%\). (Round off to \(1\) decimal place if necessary.)

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