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variance definition in math. In other words variance is the mean of the squares of the deviations from the arithmetic mean of a data set. It is the average of the squared differences from the Mean.
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Q2 I think we could use the absolute valuebut for the official definition you have to square the differences. The only difference is the squaring of the distances. The average of the results is the variance.
In the opposite case when the greater values of one.
Q2 I think we could use the absolute valuebut for the official definition you have to square the differences. Variance tells you the degree of spread in your data set. Variation is defined by any change in some quantity due to change in another. In other words variance is the mean of the squares of the deviations from the arithmetic mean of a data set.
