SAT, 19.01.2022 14:40, ellathornburg
A large school district held a district-wide track meet for all high school students. For the 2-mile run, the population of female students participating had a mean running time of 8. 8 minutes with standard deviation of 3. 3 minutes, and the population of male students participating had a mean running time 7. 3 minutes with standard deviation of 2. 9 minutes. Suppose 8 female students and 8 male students who participated in the 2-mile run are selected at random from each population. Let x¯f represent the sample mean running time for the female students, and let x¯m represent the sample mean running time for the male students.
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A large school district held a district-wide track meet for all high school students. For the 2-mile...
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