Concept explainers
Tocompare:The coefficient of determination to determine which model a linear model or a quadratic model is better fits the data
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Answer to Problem 145CR
The quadratic model is better fits the data.
Explanation of Solution
Given information:
The linear model and a quadratic model were fit to the same data set. The values of coefficients determination are
Linear Model
Concept used:
The coefficient of determination
A higher coefficient of determination is an indicator of a better goodness of fit for the statistical observations. Example shown in Figure-1.
Thevalue of coefficients determination
The value of coefficients determination
Hence, the quadratic model is better fits the data.
Conclusion:
The quadratic model is better fits the data.
Chapter 2 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
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