Exercise 1215 Algorithmic Given are five observations for tw
{Exercise 12.15 (Algorithmic)}
Given are five observations for two variables, x and y.
Compute the coefficient of determination r2 (to 3 decimals).
Does this least squares line provide a good fit?
SelectYes, the least squares line provides a very good fitNo, the least squares line does not produce much of a fitItem 5
Compute the sample correlation coefficient (to 4 decimals).
| xi | 1 | 2 | 3 | 4 | 5 |
| yi | 4 | 6 | 6 | 10 | 15 |
Solution
