Which of the Following Is True of Variance

question 75

Multiple Choice

Which of the following is true of variance?

• A) The formula to calculate variance of a population is not the same as the formula to calculate variance of a sample.
• B) Its value is inversely proportional to the degree to which the data is spread from the mean.
• C) It only requires the middle 50% of data to be calculated.
• D) It is the square root of standard deviation.

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Definitions:

Space-Biased Media

Media that can convey messages readily over physical distance.

Harold Innis

A Canadian economist and professor known for his contributions to communication theory and economic history, especially concerning media and resource economies.

Time and Space

Fundamental concepts in various disciplines, representing the dimensions in which events occur and matter exists.

Harold Innis

A Canadian economist and professor known for his contributions to communication theory and the study of Canadian economic history.