Statistics Basics 7 | Interview Question

Question

Variance of a dataset is 144, what is the Standard Deviation?

Give a basic understanding of both the terms

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Xtramous 4 years 1 Answer 739 views Contributor 0

Answer ( 1 )

  1. Dhruv2301
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    Variance is always the square of standard deviation in the data.
    => Standard deviation= sqrt(variance)
    = sqrt(144)
    = 12

    Variance is a measure of how spread out a data set is. It is calculated as the average squared deviation of each number from the mean of a data set.
    Standard deviation is the measure of spread, most commonly used in statistical practice when the mean is used to calculate central tendency.

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