A scatter plot is shown with a line of fit sketched through the data.

A scatter plot contains the ordered pairs 1,4 and 2,2 and 2,6 and 3,2 and 3.5,2 and 4,8 and 5,5 and 6,7 and 7,7 and 9,10 and 10,6. A linear function is drawn through the ordered pairs 0,3 and 10,8.

Calculate the slope of the line of fit.

3
one half
2
one third