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A Quadratic Regression Model Is Fit to a Set of Sample

Question 126

Multiple Choice

A quadratic regression model is fit to a set of sample data consisting of 6 pairs of data. Given that the sum of squares of residuals is 16.0216.02 and that the yy -values are 11,14,19,22,26,2711,14,19,22,26,27 , find
R2=1(yy^) 2(yyˉ) 2.R ^ { 2 } = 1 - \frac { \sum ( y - \hat { y } ) ^ { 2 } } { \sum ( y - \bar { y } ) ^ { 2 } } .


A) 0.0770.077
B) 0.9350.935
C) 0.9160.916
D) 0.9230.923

Correct Answer:

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