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1 Station 1 2 3 4 5 6 7 8 9 10 y (in) x1(ft) x2 () x3 (mi) 39.16 40 48.7 1 24.85 345
1 Station 1 2 3 4 5 6 7 8 9 10 y (in) x1(ft) x2 () x3 (mi) 39.16 40 48.7 1 24.85 345 40.2 96 17.87 4151 34.1 70 38.92 73 39.4 2 49.59 6743 39.0 146 20.47 50 37.5 4 17.42 27 38.6 79 14.23 98 37.2 28 41.59 6359 36.8 149 14.14 80 36.5 12 Question 2 y 1353 842 2489 2514 2436 2038 2716 4216 2415 1974 x1 x2 36 6 24 4 30 5 20 8 54 6 29 6 16 10 37 11 25 9 47 5 \fa. Y=-65.590+0.04x1+2.248x2-0.029x3 b. No, because the p-value is less than alpha=0.10 wrong c. 18.742 19.131 wrong d. Construct a 99% confidence interval for B2...... wrong...................................... (-76.07, 384.91) We are 99% confident that the true value of B2 lies in this interval e. R2a=45% indicates the percentage of the total sample variation ..................wrong...........model. R2=29% indicates................................... f. Do not reject the null hypothesis. There is not sufficient evidence to indicate that any of the model items are useful wrong Screen shots
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