Mathematics: Given a variance of 1992.8, what is the standard deviation? about 43.13 about 43.76 about 45.20 about 44.64

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Given a variance of 1992.8, what is the standard - id199284703890, kittenalexis68

weirdoal567

16.01.2022

ANSWER

about 44.64

EXPLANATION

The standard deviation is the square root of the variance.

So we can write the equation or formula;

$standard \: \: deviation = \sqrt{variance}$

From the question, it was given that, the variance is 1992.8

To find the standard deviation, we plug in the given value of the variance.

$standard \: \: deviation = \sqrt{1992.8}$

Take your scientific calculator and the given square root.

You should obtain:

$standard \: \: deviation = 44.64078852$

We round to the nearest hundredth to obtain; 44.64

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