A Quadratic Regression Model Is Fit to a Set of Sample

question 55

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 $$R ^ { 2 } = 1 - \frac { ( y - \hat { y } ) ^ { 2 } } { ( y - \bar { y } ) ^ { 2 } } \text {. }$$

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