From a University Population,random Samples of 45 Seniors and 37 $\pm$

question 52

Multiple Choice

From a university population,random samples of 45 seniors and 37 freshman have been given a scale that measures sexual experiences.The freshman 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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