Question: Does breast-feeding affect bone density? Researchers studied identical twins to see if breast feeding affects bone density. The study examined bone density in 58 female

Does breast-feeding affect bone density? Researchers studied identical twins to see if breast feeding affects bone density. The study examined bone density in 58 female twin pairs (116 people) in which 1 twin had breast-fed a child an the other had not. The results of the twins were compared. Assuming the data are normally distributed, what is the most appropriate test for this research question and its data? A. Independent t B. ANOVA C. Matched pairs (paired) t D. Wilcoxon matched-pairs

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