Which of the following statements is true?
A)The standard deviation is always greater than the variance.
B)The sum of the squared deviations from the mean is always zero.
C)The standard deviation is in squared units.
D)The sum of the deviations from each value in a data set to the mean, is always zero.

Question

Which of the following statements is true? 
A)The standard deviation is always greater than the variance.
B)The sum of the squared deviations from the mean is always zero.
C)The standard deviation is in squared units.
D)The sum of the deviations from each value in a data set to the mean, is always zero.

Quizplus · Accepted Answer

The sum of the deviations from each value in a data set to the mean is always zero because the mean is the balance point of the data set.

Which of the Following Statements Is True