The accompanying data was read from a scatterplot inthe article Urban Emissions Measured
Chapter 12, Problem 74(choose chapter or problem)
The accompanying data was read from a scatterplot inthe article Urban Emissions Measured withAircraft (J. of the Air and Waste Mgmt. Assoc., 1998:1625). The response variable is DNOy, and the explanatoryvariable is DCO.DCO 50 60 95 108 135DNOy 2.3 4.5 4.0 3.7 8.2DCO 210 214 315 720DNOy 5.4 7.2 13.8 32.1a. Fit an appropriate model to the data and judge theutility of the model.b. Predict the value of DNOy that would result frommaking one more observation when DCO is 400, anddo so in a way that conveys information about precisionand reliability. Does it appear that DNOy can beaccurately predicted? Explain.c. The largest value of DCO is much greater than theother values. Does this observation appear to havehad a substantial impact on the fitted equation?
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