Mathematics, 18.09.2021 07:00, xofathiahmed12

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 standard
deviation were 21 and 11mm erythema, respectively. Can it be concluded from these data that
the population mean is less than 30? Let α= 0:05. Also, nd the p-value of the test.

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In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of...