Set I (for Answers to Set I Problems, see pp. 692-695) 1. For each of the following studies, decide whether you can reject the null hy- pothesis that the groups come from identical populations. Use the .05 level. Note that study (b) provides S, not S?. (a) Group T Grow2 aroup 3 10 6.8 .82 00 .80 Group 1 Group 2 Group 3 Group 4 25 25 25 25 M 94 101 124 105 24 28 31 25

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Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.