Statistics Homework Solutions 223

Statistics Homework Solutions 223 - 223 SECTION 9.5 0.999...

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Unformatted text preview: 223 SECTION 9.5 0.999 0.99 0.95 0.9 0.75 0.5 0.25 0.1 0.05 0.01 (c) The estimates lie nearly on a straight line, so none of the factors can clearly be said to influence the resistance. 0.001 −1 Effect 12 3 25 16 05 2 55 2 29 12 1 05 1 45 16 08 19 0 15 08 0 65 ¨ 9. (a) Variable A B C D AB AC AD BC BD CD ABC ABD ACD BCD ABCD ¨ ¨ ¡ ¨ ¡ ¨ ¨ ¡ ¨ ¨ ¨ ¡ ¡ ¨ ¡ ¨ ¡ ¨ ¡ ¨ ¨ (b) Factor C is the only one that really stands out. P 0 000 0 000 0 000 0 015 0 073 0 352 0 055 ¨ ¨ ¨ ¨ ¨ Sum of Mean Effect DF Squares Square F 14 245 1 811 68 811 68 691 2 8 0275 1 257 76 257 76 219 5 6 385 1 163 07 163 07 138 87 1 68 1 11 29 11 29 9 6139 1 1175 1 4 9952 4 9952 4 2538 0 535 1 1 1449 1 1449 0 97496 1 2175 1 5 9292 5 9292 5 0492 8 9 3944 1 1743 15 1265 3 ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¨ ¡ ¡ ¨ ¡ ¡ ¡ Variable A B C AB AC BC ABC Error Total ¨ 11. (a) 0 1 Effect 2 ...
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