1.In Born Together - Reared Apart: The Landmark Minnesota Twin Study (2012), Nancy Segal discusses the efforts of research psychologists at the University of Minnesota to understand similarities and differences between twins by studying sets of twins who were raised separately. The critical reading SAT scores for several pairs of identical twins, one of whom was raised in a family with no other children (no siblings) and one of whom was raised in a family with other children (with siblings) is contained in the data file Twins.

a.Set your hypothesis to test if the mean critical reading SAT scores are equal.

b.Use appropriate test statistics to test your hypothesis.

c.What is your conclusion at = .05.

SAT ScoreNo Siblings 440 610 590 390 410 430 510 620 510 680 580 610 510 630 570 630 530 590 500 610

SAT Score With Siblings 420 540 630 430 460 490 460 540 460 650 450 640 460 580 490 640 560 610 520 640