Nagy_BUS207.920_Ch12

# Nagy_BUS207.920_Ch12 - Chris Nagy BUS207.920 Chapter 12...

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Chris Nagy BUS207.920 11/26/2007 Chapter 12, pages 439-447 #23 - 47 EOO

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23 27 a b c Source SS df MS F Treatment 50 4-1=3 50/3 1.67 Error 200 24-4=20 10 Total 250 24-1=23 d 31 Source SS df MS F Factor 87.79 3 29.26 9.12 Error 64.17 20 3.21 Total 151.96 23 35 Since the F statistic of 8.26 is greater than the critical value of 5.61 at the 0.01 significance level the null hypothesis is rejected. Also, the p-value of .0019 is also less than the significance level, the m 39 color's ritical value of F is 4.76 size's critical value for F is 5.14 Source SS df MS F Treatment 25 3 8.33 5.88 Blocks 21.5 2 10.75 7.59 Error 8.5 6 1.42 Total 55 11 43 for gasoline: for autos Source SS df MS F Mileage 44.1 2 22.05 26.71 Autos 77.24 6 12.87 15.6 Error 9.91 12 0.83 Total 131.24 20 There's a difference in both autos and gas
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Unformatted text preview: H : σ 2 1 ≤σ 2 2 ; H 1 : σ 2 1 >σ 2 1. df 1 =21 - 1=20; df 2 = 18-1=17. reject H if F > 3.16 F= (45000) 2 /(21330) 2 = 4.57 Reject H H : μ 1 =μ 2 =μ 3 =μ 4 H 1 : treatment means are not all equal α=0.5 Reject H if F> 3.10 don't reject H H : μ 1 =μ 2 =μ 3 =μ 4 H 1 : not all means are equal Reject H if F> 3.10 reject H 0 because 9.12 > 3.10 H s for both are rejected H : μ 1 =μ 2 =μ 3 H 1 : mean milage is not the same reject H if F > 3.89 H : μ 1 =μ 2 =…. ..μ 7 H 1 : mean milage is not the same reject H if F > 3.00 mileages are not the same...
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• Fall '07
• RHINE,S
• Business, Statistics, Statistical hypothesis testing, Ronald Fisher, Source ss df, Reject H0, Chris Nagy

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