16Sp-Quiz 8 Solution (1)

16Sp-Quiz 8 Solution (1) - IME 524 Prob&Stat II(OPENBOOK...

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IME 524 Prob&Stat II (OPENBOOK) – QUIZ #8 Solution 28 March 2016 Number of observations: 23 Standard T Parameter Estimate Error Statistic P-Value CONSTANT 86.9022 3.19803 27.1737 0.0000 x1 -0.209858 0.0935518 -2.24323 0.0370 x2 0.151537 0.0768564 1.97169 0.0634 x3 0.0733005 0.0671384 1.09178 0.2886 Analysis of Variance Source Sum of Squares Df Mean Square F-Ratio P-Value Model 70.287 3 23.429 2.66 0.0772 Residual 167.083 19 8.79382 Total (Corr.) 237.37 22 R-squared = 29.6108 percent R-squared (adjusted for d.f.) = 18.4967 percent Standard Error of Est. = 2.96544 Mean absolute error = 2.32654 1. Is there sufficient evidence to indicate the overall model is statistically useful for predicting y? Test using =0.05. Indicate hypotheses, test statistic, rejection region, and conclusion. (5)
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  • Fall '16
  • Michael Rodrigues
  • Statistics, rejection region, overall model

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