Given the Least Squares Regression Line $\hat { y } = - 2.48 + 1.63 x$

question 7

Multiple Choice

Given the least squares regression line $\hat { y } = - 2.48 + 1.63 x$ ,and a coefficient of determination of 0.81,the coefficient of correlation is:

• A) -0.66
• B) 0.81
• C) -0.90
• D) 0.90

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A problem-solving approach characterized by empathy with users, a discipline of prototyping, and a tolerance for failure, used primarily within the context of product design and business innovation.

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