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:

Pyr/o

A combining form relating to fire or heat, often used in medical terminology.

-al

A suffix meaning pertaining to, commonly used in the formation of adjectives from nouns.

-graphy

A suffix used in medical terminology to denote a process of recording or visualizing, usually with specialized equipment or techniques.

-ion

A suffix used in English to form nouns from verbs, indicating the action or condition of the verb.