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Unformatted text preview: The line looks like reasonable, since the correlation of the two variables are 0.877>0, and from the regression equation, we see the Interval increases as the Duration increases. (c) Descriptive Statistics: Error Variable Minimum Q1 Median Q3 Maximum Error 0.000 5.000 10.000 16.000 29.000 Descriptive Statistics: NewError Variable Minimum Q1 Median Q3 Maximum NewError 0.000 2.000 4.000 7.000 25.000 Descriptive Statistics: Error Pred Variable Minimum Q1 Median Q3 Maximum Error Pred 0.238 1.624 4.410 7.340 16.806 Error Pred NewError Error 30 25 20 15 10 5 Data Boxplot of Error, NewError, Error Pred (d) The (iii) is preferred, because the difference of extremes of this method is narrower than the other two predictions. We can also observe that the maximum error of Method (iii) is the smallest among the three candidates, which is what we desire....
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This note was uploaded on 09/26/2008 for the course ENGRD 2700 taught by Professor Staff during the Fall '05 term at Cornell University (Engineering School).
 Fall '05
 STAFF

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