In a study of college athletes, the NCAA received anonymous responses from a random sample of 300 football players, 200 basketball players, and 100 baseball players. Asked whether they had used any banned performance enhancing drugs, 78 (26%) of the football players, 48 (24%) of the basketball players, and 36 (36%) of the baseball players said they had. Test the hypothesis that the proportion of athletes who would admit to using these drugs is the same for all three populations represented in the study. Use a significance level of 5%.
Answer to relevant QuestionsList in order the levels of measurement. Describe each level. Use a statistical calculator or a statistics package like the one Excel offers to find the percentage of values in a chi square distribution with four degrees of freedom that are a. Greater than 7.83 b. Greater than 13.45 ...Franconia Notch Sports Outfitters has been told by its Beijing affiliate that the company has a 26% brand recognition level in China. That is, 26% of Chinese consumers are familiar with the Franconia Notch brand. In a recent ...JetBlue Airways sponsored a survey of 834 Long Beach, California, voters to measure general community support for building new facilities at Long Beach Airport. Participants were asked, “Do you support replacing temporary ...The National Forest Service conducted a study of old growth trees in Muir Woods, measuring bark thickness for a sample of 200 old growth redwoods. Sample results are summarized below: The average thickness for the sample was ...
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