If the Sample Variance of a Set of Observations Is

question 16

Multiple Choice

If the sample variance of a set of observations is 225, its sample standard deviation is equal to _____.

• A) 0.225
• B) 15
• C) 22.5
• D) 0.15
• E) 2.25

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Definitions:

Population

The sum of individuals living in a specific region or nation.

Total Fertility Rate

The typical amount of children a woman is expected to have throughout her life, based on present fertility rates.

Replacement Rate

The ratio of a retiree's pension benefit to their earning before retirement, often used to measure the adequacy of retirement income.

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return.