Irving Has Answered 92 Questions Correctly on a Newly Devised

question 40

Short Answer

Irving has answered 92 questions correctly on a newly devised IQ test. To decide whether this score is above average or below average, psychologists must determine the ____________________ of the test.

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Definitions:

Portfolio

A collection of financial investments like stocks, bonds, commodities, cash, and cash equivalents, including closed-end funds and exchange traded funds (ETFs).

Standard Deviation

A measure of the dispersion or spread of a set of values, indicating how much the values differ from the average of the set.

Coefficient Of Correlation

A statistical measure that indicates the extent to which two variables fluctuate together. A value closer to 1 or -1 indicates a stronger relationship.

Decreases

To become smaller or less in size, amount, intensity, or degree.