If the Variance for a Sample Is Computed and It

question 73

Multiple Choice

If the variance for a sample is computed and it is found to be rather large, the numbers in the sample are:

• A) tightly packed at one extreme.
• B) tightly packed around the mean.
• C) spread out around the mean.
• D) close to the extremes of the distribution.

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Definitions:

Instruments

Tools or devices designed for a specific purpose, especially scientific or musical.

Independent Variable

The factor in a controlled experiment that is being manipulated.

Experimenter

A person who conducts scientific tests and trials to explore hypotheses and examine the effects of variables.

Manipulated

Altered or controlled in a skillful or sometimes deceitful manner, often to achieve a specific outcome.