A Random Sample of N = 25 Individuals Is Drawn

question 27

Multiple Choice

A random sample of n = 25 individuals is drawn from a population with a μ = 63 and a σ = 9. The probability is .1000 that the mean of the sample will be above what value?

• A) -1.28
• B) +1.28
• C) 65.3
• D) 60.70

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Definitions:

Adolescents

Young people typically between the ages of 13 and 19, during the transitional stage from childhood to adulthood.

Young Adults

People in the age range typically considered to be from late teens through their twenties, often focusing on personal and professional development.

Fluid Intelligence

Type of intelligence, proposed by Horn and Cattell, that is applied to novel problems and is relatively independent of educational and cultural influences.

Crystallized Intelligence

Type of intelligence, proposed by Horn and Cattell, involving the ability to remember and use learned information; it is largely dependent on education and culture.