The table shows how many miles Jack ran per week for weeks one through nine.

x y

1 3

2 5

3 6

4 9

5 10.5

6 13

7 15

8 16

9 19

Question:

a. Use the table to plot the points.

b. Describe the correlation, including whether it is strong or weak.

c. Draw a line of best fit.

d. Write the equation of a line of best fit in slope-intercept form.

e. Using the line of best fit, estimate how may miles Jack ran the 10th week; show work.

f. During which week would you expect Jack to run a full marathon, 26.3 miles? Do you think that you should round up or down to the nearest week? Why?

**Subject Mathematics Mathematics - Other**