Jump to a chaper or try to solve the question below

The question is...

Use the given data to find the equation of the regression line. Should the equation be used to make predictions about productivity levels of 45?
9) Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results.

y-hat = 5.05 + 1.91x; No, 45 should not be plugged into the model.