Unformatted text preview: 300 400-80-60-40-20 20 40 60 80 Linear Model Fitted Value Residual The residual plot shows an obvious curved pattern, so the linear model is not appropri-ate. 100 200 300 400-20-10 10 20 Quadratic Model Fitted Value There is no obvious pattern to the residual plot, so the quadratic model appears to fit well....
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- Fall '11
- Statistics, Quadratic equation, Harshad number, dependent variables Speed