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Homework 1. The recommended daily allowance (RDA) The recommended daily allowance (RDA) of iron intake for adult females is 18mg. We wish to test if

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Homework 1. The recommended daily allowance (RDA) The recommended daily allowance (RDA) of iron intake for adult females is 18mg. We wish to test if adult females in Wuhan, are, on average, getting the RDA of iron intake . A random sample of 100 females is selected. The average iron intake is 16.4 mg with a standard deviation of 4.1mg. Is the average iron intake for all the adult females in Wuhan less than 18mg? Run the hypothesis testing using a significance level 0.05

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