The Bell-Shaped Distribution of Intelligence Scores in the General Population

question 28

Multiple Choice

The bell-shaped distribution of intelligence scores in the general population is called a

• A) g distribution.
• B) standardization curve.
• C) bimodal distribution.
• D) normal distribution.

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Definitions:

Confidence Intervals

A gamut of values, developed from the statistics of a sampling, with a high chance of containing the value of an unknown population parameter.

Interval Center

Refers to the midpoint of an interval, representing the average of its upper and lower bounds.

Confidence Interval

A range of values, derived from the sample data, that is used to estimate the true value of a population parameter with a specified level of confidence.

Variance

A statistical measure that represents the degree of spread in a dataset or the variability of the observations from the average.