Question

The square root of average squared deviation about the mean is called

Answer 1

Ello user !!!!!!

Here is your answer,

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The standard deviation is the square root of the average squared deviation from the mean.

The average squared deviation from the mean is also known as the variance.

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Answer 2

Interquartile Range: ... This value gives you the range of the middle 50% of the values in the data set. Variance and Standard Deviation: The standard deviation is the square root of the average squared deviation from the mean. The average squared deviation from the mean is also known as the variance.