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HW4sol - 3.3.b.and c 1 1 2 3 118 119 120 7 2.92942 2.65763...

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Unformatted text preview: 3.3.b.and c. 1': 1 2 3 118 119 120 7;: 2.92942 2.65763 3.20121 3.20121 2.73528 3.20121 .94: 0.967581 1.22737 0.57679 0.71279 —0.87528 —0.25321 (1. Ascending order: 1 2 3 . . . 119 120 Ordered residual: —2.74004 4.83169 4.24373 0.99441 1.22737 Expected value: 4.59670 4.37781 4.25706 1.37781 1.59670 H0: Normal, HE: not normal. 7' = 0.97373. If 7‘ E .987 concludeHn, otherwise H5. Conclude H5. 3. n1 : 65, 671 = 0.43796, n2 : 55, 1:72 : 0.50652, 3 = 0.417275, t3}; = {0.43796 — 0.50652}f0.4172751.i'{1/65}+ [:1/55) 2 —0.89674, t{.995; 18) = 2.61814. If lf'jgpl 5 2.61814 conclude error variance constant, otherwise error variance not constant. Conclude error variance constant. 310. 5. 4, 4 A 3.15. a. Y = 2.57533 — 0.32400X b. H0: 335} 2 5'0 +5124, HE: E{Y} 75 .60 + 51X. SSPE = .1575, SSLF 2.7675, F* = (2.7675/3]+(.1575/10} = 58.5714, F{.975;3,10) = 4.83. If F" 4.83 conclude Ho, otherwise Ha. Conclude HI. IA || 3.16. b. A: —.2 —.1 0 .1 .2 SSE: .1235 .0651 .0390 .0440 .0813 c. 1‘” = .65488 — .19540X 4': 1 2 3 4 5 6 7 8 73,-: —.051 .058 .007 —.083 —.057 .035 .012 .086 A K: 4.104 4.104 4.104 —.713 —.713 —.713 —.322 —.322 Expected value: —.047 .062 .000 —.086 —.062 .035 .008 .086 17: 9 10 11 12 13 14 15 3:: .046 .018 —.008 —.039 —.006 —.050 .032 .4. K: —.322 .069 .069 .069 .459 .459 .459 Expectedvalue: .047 .017 —.017 —.026 —.008 —.035 .026 f. i" =antiloglo[.65488 — .19540X) = 4.51731(.63768)X ...
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