Given the printout in Exercise 16.15, (a) determine the 90% confidence interval for each partial regression coefficient,
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Regressin Analysis The regression equation is TEST04 12.0 + 0.274 TESTO1 + 0.376 TESTO2 + 0.326 TESTO 3 Coef 11.98 0.2745 0.37619 0.32648 StDev 80.50 Predictor Constant TEST01 TESTO2 TEST03 0.15 0.885 2.47 0.039 3.82 0.005 4.04 0.004 0.09858 0.08084 R-Sq 87.2% R-Sq(adj) 82.4% Analysis of Variance 1 Regression 3 Error Total 151417 22231 173648 50472 2779 18.16 0.00 8
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