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    Calcium Supplements

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    Sample data was collected in a study of calcium supplements and their effects on blood pressure. A placebo group and a calcium group began the study with blood pressure measurement. At a 0.05 significance level, test the claim that the 2 sample groups come from populations with the same mean.
    Placebo mean: 114.6538, standard deviation 9.4601
    Calcium mean: 118.56, standard deviation 8.5874.

    © BrainMass Inc. brainmass.com March 4, 2021, 5:41 pm ad1c9bdddf
    https://brainmass.com/statistics/dispersion-and-spread-of-data/calcium-supplements-6378

    Solution Preview

    In this problem you should give the sizes of both samples. Assume that they are n1, n2 for Placebo and Calcium respectively. Let X and Y be random variables. By the hypothesis, X~N(u,b^2), Y~N(u,c^2). So the sample ...

    Solution Summary

    Sample data was collected in a study of calcium supplements and their effects on blood pressure. A placebo group and a calcium group began the study with blood pressure measurement. At a 0.05 significance level, test the claim that the 2 sample groups come from populations with the same mean.
    Placebo mean: 114.6538, standard deviation 9.4601
    Calcium mean: 118.56, standard deviation 8.5874.

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