Answer
Nonsmokers:
Mean = 3665.5 g, Median = 3693.5 g, S.D = 356.0 g,
Q1 = 3436.0 g, Q3 = 3976.0 g.
Smokers:
Mean = 3460.4 g, Median= 3475.0 g, S.D = 452.6 g,
Q1 = 3493.0 g, Q3 = 3807.0 g
Work Step by Step
Calculate using MS Excel or MINITAB.