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    Conclusions about tests of subjects in immunology study

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    In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of interest was the diameter of skin test reaction to an antigen. The sample mean and sample standard deviation were 21 and 11mm erythema, respectively. Can it be concluded from these data that the population mean is less than 30? Let ± =0.05 Assume that the population standard deviation is ? =12.2

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    https://brainmass.com/statistics/hypothesis-testing/conclusions-tests-subjects-immunology-study-420271

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    In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of interest was the diameter of skin test reaction to an antigen. The sample mean and sample standard ...

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    The expert determines the conclusions about tests of subjects in immunology study.

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