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Mathematics, 20.04.2020 22:04 kenoknox
Experiments on learning in animals sometimes measure how long it takes mice to find their way through a maze. The mean time is 18 seconds for one particular maze. A researcher thinks that a loud noise will cause the mice to complete the maze faster. She measures how long each of 10 mice takes with a noise as stimulus. The sample mean is x = 16.5 seconds. The alternative hypothesis for the significance test is .a. :μ≠18b. :μ=16.5.c. :μ<18.
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