Answer
Nonsmokers: Q1 = 3436.0 g means that 25% of the newborns have weights less than or equal to 3436 g and the remaining 75% of the newborns have weights more than 3436 g.
Smokers: Q1 = 3129.0 g means that 25% of the newborns have weights less than or equal to 3129 g and the remaining 75% of the newborns have weights more than 3129 g.
Work Step by Step
Given above.