A researcher wants to estimate the mean level of iron in the blood of a population of people who live near uranium mines. To that end, a random sample of 25 people is taken and the mean serum iron level (in micrograms per deciliter) for the sample is 57.3 mcg/dl with a standard deviation of 19.2 mcg/dl. Which of the following is the appropriate method to meet the aim of the researchers? One-sided t-test for means t-interval for means z-interval for means Two-sided z-test for means One-sided z-test for means Previous Page Next Page Page 8 of 19

Q: Please answer number two and can you show how its done in excel.

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Q: Please find question attached, Thank you!

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A: Let's solve.

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Q: Please allof them.Thanks

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