Mathematics, 27.06.2020 19:01 ligittiger12806
Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable). Develop the least squares estimated regression equation. What is the coefficient of determination? x y 2 12 3 9 6 8 7 7 8 6 7 5 9 2
Answers: 3
![R^2= \frac{b^2[sumX^2-\frac{(sumX)^2}{n} ]}{[sumY^2-\frac{(sumY)^2}{n} ]}](/tpl/images/0696/0218/7ae8a.png)
![R^2= \frac{(-1.13)^2[292-\frac{(42)^2}{7} ]}{[403-\frac{(49)^2}{7} ]}= 0.84](/tpl/images/0696/0218/5af7b.png)
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Given below are seven observations collected in a regression study on two variables, x (independent...
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