With respect to standard deviation,which of the following statements is correct?
A) it is based on the squared deviations from the mean
B) it is the square of the variance
C) it is always a negative number
D) all of the above

Question

Quizplus · Accepted Answer

Standard deviation is calculated by taking the square root of the variance, which is the average of the squared deviations from the mean. Therefore, option A is correct. Option B is incorrect as standard deviation is the square root of the variance, not the other way around. Option C is incorrect as standard deviation is always positive.

With Respect to Standard Deviation,which of the Following Statements Is