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IOE366W13-Exam2-practice-sol

# 05 significance level is a 349 b 389 c 300 d 355 e

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Unformatted text preview: he 0.05 significance level is A. 3.49 B. 3.89 C. 3.00 D. 3.55 E. 3.11 ANSWER: B 6. In a two-factor experiment where factor A consists of I levels, factor B consists of J levels, and there is only one observation on each of the IJ treatments, SSE for the additive model has __________ degrees of freedom. ANSWER: (I-1) (J-1) (cf. p. 424) ˆ ˆ ˆ ˆ 7. With yi 0 1 xi 2 xi2 ˆ k xik , the sum of squared residuals is known as SSE=200 with the sample size 100 and k=4. Then, what is the mean square error MSE? ANSWER: 2.105 8. Which of the following statements is not true regarding the model X ij i j ij , where I i 1 1 J 0 and j 0? j 1 A. B. C. D. E. is the true grand mean. i is the effect of Factor A at level i. j is the effect of Factor B at level j. ij are assumed independent and normally distributed with mean 0 and variance 1. The model is an a...
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