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43

The standard deviation of a data is ........... of any change in origin but is ............. of change of scale.

Explanation

The standard deviation of a data is independent of any change in origin but is dependent of change of scale.

44

The sum of squares of the deviations of the values of the variable is ........... when taken about their arithmetic mean.

Explanation

The sum of the squares of the deviations of the values of the variable is minimum when taken about their arithmetic mean.

45

The mean deviation of the data is ........... when measured from the median.

Explanation

The mean deviation of the data is least when measured from the median.

46

The standard deviation is ........... to the mean deviation taken from the arithmetic mean.

Explanation

The SD is greater than or equal to the mean deviation taken from the arithmetic mean.