Mathematics, 06.04.2021 05:20 andrejr0330jr
n 1990, the mean height of women 20 years of age or older was 63.7 inches based on data obtained from theCDC. Suppose that a random sample of 45 women who are 20 years of age or older in 2015 results in a meanheight of 63.9 inches with a standard deviation of 0.5 inch. Does your sample provide sufficient evidencethat women today are taller than in 1990
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n 1990, the mean height of women 20 years of age or older was 63.7 inches based on data obtained fro...
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