When should measures of location and dispersion be computed from grouped data rather than from individual data values?
A) As much as possible since computations are easier
B) Only when individual data values are unavailable
C) Whenever computer packages for descriptive statistics are unavailable
D) Only when the data are from a population

Question

Quizplus · Accepted Answer

Measures of location and dispersion should be computed from grouped data only when individual data values are unavailable. This is because computing measures from individual data values provides more accurate information about the data set. However, in some cases, only grouped data may be available, and in such cases, measures of location and dispersion can still be estimated from the grouped data.

When Should Measures of Location and Dispersion Be Computed from Grouped