Number of people per household Gallons of milk consumed per week 4 0.5
5 1
7 3
0 0.5
6 2
3 2

Describe the association. It is linear and .

To estimate the number of gallons a household of 10 people will consume in a week, use because 10 people is the range of the data.

Draw a line of best fit through the coordinates (0, 0.5) and (6, 2).

Extending the line of best fit shows that 10 people will consume
gallons of milk in one week.