單項(xiàng)選擇題

The reason that we prefer the sample standard deviation as our measure of typical variation instead of the sample variance is that（）

A.the variance is not as accurate a measurement as the standard deviation
B.the standard deviation has been corrected for bias while the variance has not
C.the standard deviation is in the same units as the data values.
D.the variance is in the same units as the data values.

你可能感興趣的試題

單項(xiàng)選擇題

The sum of the deviations may be 0.00.To get around this problem，we use the（）of the deviations

A.square
B.absolute value
C.minimum
D.maximum

單項(xiàng)選擇題

deviation is the distance between a（）and the（）.（）

A.median；mean
B.data point；mean
C.quartile；median
D.data point；median

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The reason that we prefer the sample standard deviation as our measure of typical variation instead of the sample variance is that（）

你可能感興趣的試題

The sum of the deviations may be 0.00.To get around this problem，we use the（）of the deviations

deviation is the distance between a（）and the（）.（）