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 (KAE-GK). 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.
Answer to relevant QuestionsTrue or False. The sampling distribution of x-bar is normally distributed, regardless of the size of the sample n. According to a Natimal Business Travel Association (NBTA) 2008 survey, the average salary of a travel management professional is $97,300. Assume that the standard deviation of such salaries is $30,000. Consider a random ...A soft-drink bottler purchases glass bottles from a vendor. The bottles are required to have an internal pressure of at least 150 pounds per square inch (psi). A prospective bottle vendor claims that its production process ...Refer to the Evolutionary Qi Ecology Research (July 2003) study of the patterns of extinction in the New Zealand bird population, presented in Exercise. Suppose you are interested in estimating the mean egg length (in ...The white wood material used for the roof of an ancient Japanese temple is imported from Northern Europe. The wooden roof must withstand as much as 100 centimeters of snow in the winter. Architects at Tohoku University (in ...
Post your question