It Is Known That the Variance of a Population Equals

question 82

Multiple Choice

It is known that the variance of a population equals 1,936. A random sample of 121 has been selected from the population. There is a .95 probability that the sample mean will provide a margin of error of _____.

• A) 7.84 or less
• B) 31.36 or less
• C) 344.96 or less
• D) 1,936 or less

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Definitions:

Evolutionary Perspective

A theoretical approach that explains various aspects of human nature as adaptations made possible by natural selection.

Jealousy

An emotional state that arises from perceived threats to a valued relationship or position, often accompanied by feelings of insecurity and fear of loss.

Receptive Female

Refers to a female organism in the period during which she is willing to accept a male for mating.

Polygyny

A form of marriage in which a man is allowed to have more than one wife at the same time.