A Set of N = 15 Pairs of Scores (X

question 52

Multiple Choice

A set of n = 15 pairs of scores (X and Y values) produces a correlation of r = 0.40.If each of the X values is multiplied by 2 and the correlation is computed for the new scores,what value will be obtained for the new correlation?​

• A)​r = 0.20
• B)​r = 0.40
• C)​r = 0.80
• D)​This cannot be determined without knowing all the X and Y scores.

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Definitions:

Future Value

Also known as the compound amount, the total value of an investment; equal to the principal plus all the compound interest.

Equal Amount

A quantity that is the same in size, number, or value when compared to another.

Compounded Quarterly

The process of calculating and adding interest to a principal sum four times a year, leading to compound growth in the interest amount.

Future Value

The projected value of an investment at a future point in time, factoring in specifics like interest rates and compounding periods.