One Sample Has N = 10 Scores and a Variance

question 75

Multiple Choice

One sample has n = 10 scores and a variance of s² = 20,and a second sample has n = 15 scores and a variance of s² = 30.What can you conclude about the pooled variance for these two samples?

• A)It will be closer to 20 than to 30.
• B)It will be closer to 30 than to 20.
• C)It will be exactly halfway between 20 and 30.
• D)Cannot be determined without more information.

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Definitions:

Discount Rate

The discount rate is the interest rate used in discounted cash flow analysis to determine the present value of future cash flows.

Discount Rate

The discount rate applied to the future cash flows of a financial instrument to determine its current value.

Present Value

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

Mutual Fund

An investment vehicle comprised of a pool of funds collected from many investors for the purpose of investing in securities such as stocks, bonds, money market instruments, and other assets.