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Unformatted text preview: s p 2 is a better estimate of σ 2 . Since the F test in ANOVA uses s p 2 , it must assume that all populations have the same variances. 2. Q1. 8.2 The treatments are the combinations of levels of each of the two factors. There are 2 × 5 = 10 treatments. They are: (A, 50), (A, 60), (A, 70), (A, 80), (A, 90) (B, 50), (B, 60), (B, 70), (B, 80), (B, 90) Q1 8.3 2 Q1 8.4 Q2 Q3 8.16 3 4 5 6 Q4 8.28 7 Q5 8.32 8 3. Q6 9.7 9 Q7 9.22 10 11 Q8 9.31...
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 Spring '10
 woo
 Harshad number, ith treatment, Statistical and Quantitative Methods

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