The relationship between the number of years a person is affiliated with a health system and the level of satisfaction with medical care is being studied. The following data are available for 9 randomly selected individuals:

Years 8 7 10 3 6 13 4 5 8

Satisfaction 7 5 8 5 9 9 3 3 6

1. Determine the dependent and independent variables

2. Plot a scatter diagram

3. Calculate and interpret the parameters beta 1 (1) and beta 2 (2).

4. Determine the regression line