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Mathematics, 20.03.2020 07:36 abbie722
Researchers are interested if a school breakfast program leads to taller children. Assume that the population of all 5 year-old heights are normally distributed with a mean (mu) of 38 inches and a standard deviation (sigma) of 1 inch. The 25 children in the school breakfast program have a mean height of 39 inches. Compute the 95% confidence interval for the population mean if all children were in the school breakfast program. Hints: The sample mean should be used in the formula for the 95% confidence interval. Compute the standard error first, then the margin of error.
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Researchers are interested if a school breakfast program leads to taller children. Assume that the p...
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