The regression line $\hat { y }$ = 2 + 3x has been fitted to the data points (4,11), (2,7), and (1,5). The residual sum of squares will be 10.0.

Name: The regression line $\hat { y }$ = 2 + 3x has been fitted to the data points (4,11), (2,7), and (1,5). The residual sum of squares will be 10.0.
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Question

Quizplus · Accepted Answer

The residuals for the points are 1, 1, and 1, respectively. Squaring these and summing them gives a residual sum of squares of 3, not 10.

The Regression Line y^\hat { y }y^​ = 2 + 3x Has Been Fitted to the Data

The Regression Line $\hat { y }$ = 2 + 3x Has Been Fitted to the Data