Calculate the test statistic

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Reference no: EM133411672

Question: You are a maternal fetal medicine researcher who wants to study whether smoking by the mother in pregnancy affects the birth weight of the baby. The data for this study are shown in Table 1. What is the original claim? What are the parameters of interest? Express the hypotheses in symbolic form. What is the relevant sample statistic and the distribution? Calculate the test statistic, assuming the true variances in the two groups are known and given by the estimated variances in the groups. Assuming a 5% significance level, what is the test decision and the conclusion? Table 1: Birth weight by smoking status of the mother

Reference no: EM133411672

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