When Should Measures of Location and Dispersion Be Computed from Grouped

question 132

Multiple Choice

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
• E)none of the above