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Math 483 Homework 15, 2014




Question;5) A physiology student at SIU in 2002 believed that caeine would cause a potassium measurement from urine to have a population mean dierent from 0. Measurements were taken from the urine samples of 5 students. Assume that the measurements are a random sample from a normal distribution, that the sample mean of the measurements was 0.0906 and that the sample standard deviation of the measurements was 0.0806. Test the claim that the population mean of the measurements is dierent from 0. Use = 0.05.


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