1. A farmer wants to find out about the relationship between the amount of rain in March and crop yield in June. (20 points)

March Rainfall in inches (x)

3

7

2

6

5

Crop yield in bushels per acre (y)

5

12

4

12

6

1. Set up a scatter diagram for the data. Label the axes.
2. Compute the correlation coefficient and interpret it.
3. Compute the coefficient of determination and state what it means.
4. Determine the regression line. Predict the crop yield in bushels for a year with 4 inches of March rainfall.