In a medical study, two groups had the following summary statistics regarding their heights. Group A: x-168.3 cm, -682 cm Group B: *- 1639 cm, -714 cm Which comparison is correct? O The members of group A are taller on average and their heights are less a) spread out than those of group B. On The members of group A are shorter on average and their heights are less b) spread out than those of group B. O The members of group A are shorter on average and their heights are more spread out than those of group B. C The members of group A are taller on average and their heights are more d) spread out than those of group B.

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