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Unformatted text preview: by $762. In the second model: if height increases by one centimeter, we expect that income increases by $300. (b) Which model (1 or 2) provides better goodnessofﬁt to the data? Why? (4 points) Both models ﬁt the data equally well. Scaling the data does not change the R 2 which measures the goodness of ﬁt. In other words, we can measure our variables in which ever units we prefer and the conclusions drawn from our regression model remain the same. University of California, Davis ARE 106  Winter 2011 (c) How could you solve for the conversion factor between inches and centimeters? (2 bonus points) You could divide b inches 2 by b cm 2 to get the conversion factor. The conversion factor is the constant c in the algebraic representation of scaling the data presented in class....
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 Spring '09
 Havenner
 Statistics, conversion factor

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