The accompanying data was read from a scatter plot in thearticle Urban Emissions

Chapter 12, Problem 74

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The accompanying data was read from a scatter plot in thearticle Urban Emissions Measured with Aircraft (J. ofthe Air and Waste Mgmt. Assoc., 1998: 1625). Theresponse variable is , and the explanatory variableis CO.a. Fit an appropriate model to the data and judge the utilityof the model.b. Predict the value of NOy that would result from makingone more observation when CO is 400, and do so in away that conveys information about precision and reliability.Does it appear that NOy can be accuratelypredicted? Explain.c. The largest value of is much greater than the othervalues. Does this observation appear to have had a substantialimpact on the fitted equation?

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