A Distribution's Variance and Standard Deviation

question 120

Multiple Choice

A distribution's variance and standard deviation:

• A) indicates the mean or expected return.
• B) measures the area under the curve.
• C) shows the likelihood that an actual return will be some distance away from the expected value.
• D) All of the above

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Definitions:

Population Means

The average of a set of values or measurements which belong to the entire population of a dataset.

Analysis of Variance

A collection of statistical models used to analyze the differences among group means and their associated procedures.

Uniformity Test

A statistical test used to determine if all elements of a set or population are consistent or homogeneous.

Laboratory Test

An analysis conducted under controlled conditions in a specialized environment to examine the properties or performance of materials or systems.