A Particular Advantage of the Standard Deviation Is That It

question 86

Multiple Choice

A particular advantage of the standard deviation is that it

• A) indicates the central tendency of a group of scores.
• B) gives the score actually obtained by the greatest number of people.
• C) does not require having to use the mean.
• D) can be used to "standardize" scores to give them more meaning.

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Definitions:

F Distribution

A continuous probability distribution that arises frequently as the null distribution of a test statistic, especially in the analysis of variance (ANOVA).

Numerator

The top number in a fraction, representing the part of the whole or the dividend in division.

Chi-square Distribution

A statistical distribution that describes the distribution of the sum of the squares of a set of variables, often used in hypothesis testing.

Random Variable

A variable that can take on numerical values based on the outcomes of a random event.