3 out of 3 attempts Using the computer output below, predict the ozone level whe

Question

3 out of 3 attempts Using the computer output below, predict the ozone level when the NO level is 80 ppb, and find a 95% prediction interval for the ozone level on a day when the NQ level is 80 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 Predictor Constant 3.78238 0.05682 66.57 0.000 NOx Coef SE Coef T P -0.0100976 0.0009497-10.63 0.000 S = 0.5475 R-Sq = 24.1% Analysis of Variance R-Sq(adj)-23.8% Source Regression Residual Error 357 106.996 0.300 Total DF SS MS F P 1 33.882 33.882 113.05 0.000 358 140.878 Predicted Values for New Observations

Explanation / Answer

a) note the regression is ln (ozone)^ = a+ b*x
hence
ozone^ = e^(2.9746) = 19.58178

prediction interval

(e^ 1.8947 , e^4.0545)
=(6.650552, 57.65632)

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