A. The range is the difference between the maximum and minimum data values
B. The most commonly used measure of dispersion is standard deviation (SD)
C. The standard deviation is equal to the square of the sum of the squares of all the differences (deviations) between each score and the mean, divided by the number of scores
D. The square root of the standard deviation is called the variance
Correct Answer: The standard deviation is equal to the square of the sum of the squares of all the differences (deviations) between each score and the mean, divided by the number of scores ✔
Last Updated: May 03, 2024