From a University Population, Random Samples of 45 Seniors and 37

question 23

Multiple Choice

From a University population, random samples of 45 seniors and 37 freshmen have been given a scale that measures sexual experiences. The freshmen report an average of 1.6 sexual partners over their lifetimes while seniors report an average of 2.5 partners. The t (obtained) for this difference was -3.56 while the t (critical) was±2.34. What can be concluded?

• A) There is no significant difference between the classes.
• B) Seniors and freshman are significantly different in their sexual experiences.
• C) Freshmen are more sexually active.
• D) Sexual mores are deteriorating.

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Definitions:

High Average

A term typically used to describe scores or performance that are above the median but not exceedingly high, often used in statistical and educational assessments.

Mental Age

A measure of an individual's cognitive ability compared to the average cognitive ability of an age group.

Terman's Formula

A method developed by Lewis Terman for estimating intelligence quotient (IQ) based on the ratio of mental age to chronological age, multiplied by 100.

IQ Scores

Numerical measures of a person's intelligence as compared to the average performance of individuals in the same age group.