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

When individual data values are unavailable and only grouped data is available, measures of location and dispersion need to be computed from grouped data. This is because grouped data represents the frequencies or counts of certain intervals, rather than the actual values, so individual data values cannot be determined.

When Should Measures of Location and Dispersion Be Computed from Grouped