This is the measure of dispersion of a set of values. What is the SINGLE most likely term?

This is the measure of dispersion of a set of values. What is the SINGLE most likely term?

A. Null hypothesis
B. Prevalence
C. Probability
D. Sensitivity
E. Standard deviation

Standard deviation is a measure of the spread or dispersion of a set of observations, calculated as the average difference from the mean value in the sample.