Under What Circumstances Is It Necessary to Use the Coefficient

question 56

Multiple Choice

Under what circumstances is it necessary to use the coefficient of variation to compare relative variability between two or more distributions?

• A) When the means of the distributions are equal
• B) When the means of the distributions are not equal
• C) When the standard deviations of the distributions are not equal
• D) When the standard deviations of the distributions are equal

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Definitions:

Relative Frequency

The ratio of the absolute frequency of a particular value to the total number of data values in a dataset.

Class B

Often used in categorization systems to denote a second or intermediate quality, level, or grouping.

Absolute Frequency

The total count of occurrences of a specific event or characteristic in a given dataset.

Median

The middle value in a set of data when it is ordered in numerical sequence, or the average of the two middle values when the set has an even number of values.