## Related questions with answers

Question

Find the variance and standard deviation for each data set. $\\$$2.42,7.46,4.97,4.22,6.44$

Solution

VerifiedAnswered 2 years ago

Answered 2 years ago

Step 1

1 of 4The variance and standard deviation of the data are defined as follows:

$\text{Variance:} \ \sigma^2=\frac{1}{n}\sum_{i=1}^{n}\left(x_i-\text{mean}\right)^2$

$\text{Standard deviation:} \ \sigma=\sqrt{\sigma^2}$

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