A Quadratic Regression Model Is Fit to a Set of Sample

question 45

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 $29.73$ and that the $y$ -values are $11,14,19,22,26,27$ , find
$R ^ { 2 } = 1 - \frac { ( y - \hat { y } ) ^ { 2 } } { ( y - \bar { y } ) ^ { 2 } } .$

• A) \(0.844\)
• B) \(0.144\)
• C) \(0.88\)
• D) \(0.856\)

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