The Sample Variance

question 77

Multiple Choice

The sample variance

• A) is always smaller than the true value of the population variance.
• B) is always larger than the true value of the population variance.
• C) could be smaller, equal to, or larger than the true value of the population variance.
• D) can never be zero.

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Definitions:

Saving

The portion of income not spent on current consumption but set aside for future use, often put into investments or deposit accounts.

Investment

Allocation of resources, usually money, to generate income or profit, including purchases of bonds, stocks, or property.

Great Depression

A severe worldwide economic downturn that took place during the 1930s, marked by high unemployment, deflation, and a significant fall in economic activity.

Aggregate Demand

The sum of economic demand for every product and service, evaluated at a unified price point throughout a defined temporal stretch.