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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