Question: 28. For a single-factor ANOVA with sample sizes Ji (i 1, 2, . . . , I), show that SSTr Ji (Xi

28. For a single-factor ANOVA with sample sizes Ji (i  1, 2, . . . , I), show that SSTr  Ji

(Xi  X)

2  iJiX2 i  nX 2

, where n  Ji

.

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