| 1.
Draw the best-fit
line into the following plot. (10 points)

a) What
mathematical relationship exists between the two variables
shown in the plot above? ________________ (5 points)
2.
Draw the smooth curve through the two plots shown below. (10 points each)
| a) |
 |
b) |
 |
c)
What is the mathematical relationship in plot a?_________________ (5
points)
3. Create an
appropriate scale for the vertical axis of a plot of the data given
below. DON”T PLOT THE DATA
Each division should
equal __________________(10 points) |