Question: Using the Birth Weight data set, test the null hypothesis that the mean weight of a baby born to (a) mothers who did not smoke

Using the Birth Weight data set, test the null hypothesis that the mean weight of a baby born to

(a) mothers who did not smoke during pregnancy is less than 3200 g. Be sure to check the assumption of normality!

(b) mothers who did smoke during pregnancy is less than 3200 g. Be sure to check the assumption of normality.

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