Using the computer output below, predict the ozone level when the NO level is 20

Question

Using the computer output below, predict the ozone level when the NO level is 20 ppb, and find a 95% prediction interval for the ozone level on a day when the NO level is 20 ppb. Round your final answers to two decimal places. Regression Analysis: LN OZONE versus NO The regression equation is LN OZONE-3.78-0.0101 NOx Predictor Coef SE Coef T P Constant 3.78238 0.05682 66.57 0.000 NOx -0.0100976 0.0009497 -10.63 0.000 R-Sq(adj)-23.8% s-0.5475 Analysis of Variance R-Sq=24.1% Source Regression Residual Error 357 106.996 0.300 Total Predicted Values for New Observations SS MSFP 1 33.882 33.882 113.05 0.000 358 140.878

Explanation / Answer

from given output predicted ozone level at 20 ppn NOx level is 3.58

and prediction interval is 2.50 <y<4.66

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