A Psychology Professor Wanted to Describe the Adolescents in Her

question 55

Multiple Choice

A psychology professor wanted to describe the adolescents in her state in terms of the personality characteristic of introversion/ extroversion.She selects a sample and measures their scores on a test of introversion/extroversion.The measure of variability she should calculate is

• A)the estimated population standard deviation, because she wants to make inferences about the population based on her sample.
• B)the sample standard deviation, because she has measured a sample, not the entire population.
• C)the population standard deviation, because the sample she selected is representative of the population.
• D)the range, because the dependent variable is an ordinal measurement scale.

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