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

question 42

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 $\pm$ 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) freshman are more sexually active
• D) sexual mores are deteriorating

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Support or endorsement from an organization, often financial or resource-based, for activities or projects.

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The use of moderate and balanced language to express ideas or opinions, avoiding extreme or provocative terms.