Which of the Following Statements Is True About Intelligence Quotient

question 159

Multiple Choice

Which of the following statements is true about intelligence quotient?

• A) The average IQ score varies from age group to age group.
• B) About two-thirds of all IQ test-takers score between 85 and 115.
• C) The distribution of IQ scores in the general population is asymmetrical and shaped like a ski jump.
• D) Very high and very low IQ scores are the most common in the general population.

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Definitions:

Mutually Exclusive

Events or propositions that cannot both be true or occur at the same time, implying the occurrence of one event excludes the occurrence of the other.

P(A)

The probability of event A occurring.

P(B)

The probability of event B occurring.

Relative Frequency Approach

A method of probability assessment that involves observing the outcomes of a random experiment to estimate the probability of each outcome by dividing the number of times a specific outcome occurs by the total number of trials.