Test of Knowledge about Epilepsy. The Test of Knowledge about Epilepsy (KAE), which is designed to measure attitudes toward persons with epilepsy, uses 20 multiple choice items, all of which are incorrect. For each person, two scores (ranging from 0 to 20) are obtained: an attitude score (KAE-A) and a general-knowledge score (KAEGK). On the basis of a large-scale study of college students, the distribution of KAE-A scores has a mean of μ = 11.92 and a standard deviation of σ = 2.95 while the distribution of KAE-GK scores has a mean of μ = 6.35 and a standard deviation of σ = 2.12 (Rehabilitative Psychology, Spring 1995). Consider a random sample of 100 college students, and suppose you observe a sample mean KAE score of 6.5. Is this result more likely to be the mean of the attitude scores (KAE-A) or the general-knowledge scores (KAE-GK)? Explain.
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