out of S attemp Using the computer output below, predict the ozone level when th

Question

out of S attemp Using the computer output below, predict the ozone level when the NO, level is 40 ppb, and a 95% prediction interval for the ozone level on a day when the NO level is 40 ppb. Round your final answers to two decimal places. Regression Analysis: LN OZONE versus NOx The regression equation is LN OZONE 3.78-0.0101 NOx Coef SE Coef T P Predictor Constant 3.78238 0.05682 66.57 0.000 NOx -0.0100976 0.0009497-10.63 0.000 S= 0.5475 R-Sq=24.1% R-Sq(adj)-23.8% Analysis of Variance DF SS MS F P Source Regression Residual Error 357 106.996 0.300 Total Predicted Values for New Observations 1 33.882 33.882 113.05 0.000 358 140.878 References

Explanation / Answer

here prediction model ozone(Y)=3.7824 - 0.0101*NOx(X)

for X=40, Y=3.7824 - 0.0101*40=3.3784

this is given in the computer output also

preidicted ozone level=3.3785 and

95% CI=confidence interval=(3.3198<y< 9.8090)

95% PI=Prediction interval=(2.3000<y<4.4570)

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