Darts A student interested in improving her dart-throwing technique designs an
Chapter 27, Problem 4(choose chapter or problem)
Darts A student interested in improving her dart-throwing technique designs an experiment to test 4 different stances to see whether they affect her accuracy. After warming up for several minutes, she randomizes the order of the 4 stances, throws a dart at a target using each stance, and measures the distance of the dart in centimeters from the center of the bulls-eye. She replicates this procedure 10 times. After analyzing the data she reports that the F-ratio is 1.41. a) What are the null and alternative hypotheses? b) How many degrees of freedom does the treatment sum of squares have? How about the error sum of squares? c) What would you conclude? d) What else about the data would you like to see in order to check the assumptions and conditions? e) If your conclusion in part c is wrong, what type of error have you made?
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