The descriptive measure of dispersion that is based on the concept of a deviation about the mean is
a. the range
b. the interquartile range
c. the absolute value of the range
d. the standard deviation
Answer: d. the standard deviation
The descriptive measure of dispersion that is based on the concept of a deviation about the mean is
a. the range
b. the interquartile range
c. the absolute value of the range
d. the standard deviation
Answer: d. the standard deviation
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