Organizing and Summarizing Data the Variance Is the

question 66

Multiple Choice

Organizing and Summarizing Data The variance is the

• A)average of the squared deviations about the mean.
• B)difference between the highest and lowest scores.
• C)sum of the deviations about the mean.
• D)the square root of the average of the squared deviations about the mean.

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Definitions:

Less Than

Less than is a mathematical term used to indicate that one quantity is smaller than another, often symbolized by "<".

Variable

Any characteristic, number, or quantity that can be measured or counted.

Normally Distributed

This symmetric distribution about the mean suggests that events are more likely to happen closer to the mean than farther from it.

Standard Deviation

An index that evaluates the extent of variation or scatter of data points from the dataset's average.