The Variance Is a Measure of Dispersion or Variability of a Random

question 86

Multiple Choice

The variance is a measure of dispersion or variability of a random variable. It is a weighted average of the

• A)square root of the deviations from the mean
• B)square root of the deviations from the median
• C)squared deviations from the median
• D)squared deviations from the mean

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Definitions:

Proofreading

The process of reviewing text to correct grammatical, typographical, syntax, punctuation, and spelling errors before it is published or finalized.

Composition Errors

Mistakes made during the process of creating or putting together something, often referring to writing, that can involve grammatical, structural, or factual inaccuracies.

Modified Block

A format for business or official letters where the text is aligned to the left margin, with the exception of the date and closing, which are tabbed to the center point.

Dateline

A line at the beginning of a news article that provides the date and place of origin of the news report.