Given are five observations for two variables,xandy.

Xi 1 2 3 4 5

yi 3 7 5 11 14

Item 2

1. Develop the estimated regression equation by computing the values ofb0andb1using equations (14.6) and (14.7) (to 1 decimal).=+x
2. Use the estimated regression equation to predict the value ofywhenx= 4 (to 1 decimal).=