Question: Using the Birth Weight data set (a) create a 2 2 contingency table summarizing the number of low weight babies by mothers smoking status.

Using the Birth Weight data set

(a) create a 2 × 2 contingency table summarizing the number of low weight babies by mother’s smoking status.

(b) estimate the relative risk of having a low weight baby associated with the risk factor smokes during pregnancy.

(c) compute a 95% confidence interval for the relative risk of having a low weight baby associated with risk factor smokes during pregnancy.

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