Which of the following is not a measure of variability of a single variable?
A) Range
B) Covariance
C) Standard deviation
D) Interquartile range

Question

Which of the following is not a measure of variability of a single variable?​
A) Range
B) ​Covariance
C) ​Standard deviation
D) ​Interquartile range

Quizplus · Accepted Answer

Covariance measures the degree to which two variables vary together. It is not a measure of variability of a single variable. The other options (A, C, D) all measure variability of a single variable.

Which of the Following Is Not a Measure of Variability