If a Set of Scores Has a Mean of 45

question 55

Multiple Choice

If a set of scores has a mean of 45 and a standard deviation of 9,then the scores have a variance of ____.

• A)​3
• B)​4.5
• C)18
• D)​81

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Definitions:

Stated Rate

The interest rate declared on a financial instrument, such as a bond or loan, without adjusting for compounding or fees.

Compounded Annually

A method of calculating interest where the interest earned or paid is added to the principal, resulting in interest on interest in subsequent periods.

Effective Rate

The interest rate on a loan or financial product, adjusted for the effect of compounding over a given period.

Loan Proceeds

The amount of money that is disbursed to the borrower from the lender minus any fees or costs associated with the loan.