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Quiz4c_KEY_Sp10 - Name 26 February 2010 IE330 Spring 2010...

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Name: ____________________________________________ 26 February 2010 IE330 Spring 2010 Closed book, closed notes, no calculators Quiz #5c ( 29 ( 29 ( 29 ( 29 /2 / 2 1 1 2 2 1 2 /2 1 2 1 2 1 1 2 2 1 2 1 2 1 /2 1 2 Confidence interval formulae: / / / / / / ˆ ˆ ˆ ˆ 1 1 ˆ ˆ ˆ ˆ ˆ ˆ 1 1 ˆ ˆ X Z n X Z n X Z n X t s n X t s n X t s n p p p p p p z p p n n p p p p p p p p z n n α σ - ± - + ± - + - - - + + - - - - - + + ( 29 ( 29 ( 29 1 2 0 1 2 0 0 0 1 2 1 2 1 2 1 2 * 0 1 2 0 0 0 1 2 2 2 1 1 2 2 2 1 2 1 2 0 1 2 Some helpful test statistics: / 1 1 1 1 2 ˆ ˆ 1 1 ˆ ˆ 1 D p p X X X X Z T s s n n n n D X X T T S n S n n n S n S S n n P P Z P P n n - - ∆ - - ∆ = = + + - ∆ - - ∆ = = + - + - = + - - = - +

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Name: ____________________________________________ For each of the questions on the back side of this sheet, refer to the following regression: Regression Analysis: y3 versus x3 The regression equation is y3 = 10.7 + 5.39 x3 Predictor Coef SE Coef
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Quiz4c_KEY_Sp10 - Name 26 February 2010 IE330 Spring 2010...

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