Carry out the test in Problem 7.38 using the critical value method with an level of
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Carry out the test in Problem 7.38 using the critical value method with an α level of .05, and summarize your findings?
The standard deviation of daily iron intake in the larger population of 9- to 11-year-old boys was 5.56 mg. We want to test whether the standard deviation from the low-income group is comparable to that of the general population.
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