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Mathematics, 17.12.2019 21:31 lhecker007
Apopular weight-loss company advertises that those who join will lose, on average at least 10 pounds in the first 2 weeks. to check the claim, a random sample of 35 customers was taken and it showed a sample mean weight loss of 8.75 pounds. assume that the population standard deviation of weight loss is 2.8 pounds. at a 1% level of significance, test to see if the company’s claim is valid. what is your conclusion?
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