2035PsychologyMedium
Which of the following statements is NOT true in relation to measure of dispersion?
AThe most commonly used measure of dispersion is standard deviation (SD)
BThe 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
CThe square root of the standard deviation is called the variance
DThe range is the difference between the maximum and minimum data values
Correct answer
B. 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
Explanation
The correct answer is 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.