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| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The accompanying data was read from a scatterplot in the article “Urban Emissions Measured with Aircraft” (J. of the Air and Waste Mgmt. Assoc., 1998: 16–25). The response variable is ∆NOy, and the explanatory variable is ∆CO.

a. Fit an appropriate model to the data and judge the utility of the model
b. Predict the value of ∆NOy that would result from making one more observation when ∆CO is 400, and do so in a way that conveys information about precision and reliability. Does it appear that ∆Oy can be accurately predicted? Explain.
c. The largest value of DCO is much greater than the other values. Does this observation appear to have had a substantial impact on the fitted equation?
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