37. Maze. Psychology experiments sometimes involve
Chapter 23, Problem 37(choose chapter or problem)
37. Maze. Psychology experiments sometimes involve testingthe ability of rats to navigate mazes. The mazes areclassified according to difficulty, as measured by themean length of time it takes rats to find the food at the end. One researcher needs a maze thatwill take rats an average of about oneminute to solve. He tests one maze onseveral rats, collecting the data shown.a) Plot the data. Do you think the conditionsfor inference are satisfied?Explain.b) Test the hypothesis that the meancompletion time for this maze is60 seconds. What is your conclusion?c) Eliminate the outlier, and test thehypothesis again. What is yourconclusion?d) Do you think this maze meets theone-minute average requirement?Explain.
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