The equations of the trend lines for the data are shown below. Lawn Mower Type
Equation of Trend Line
Ride-on
t = 42.5a + 15
Push
t = 78.5a + 5
Tell whether each statement is True or False.
a.
The ride-on mower trend line indicates that for every
1-acre increase in lawn size, there is an increase of
15 minutes of mowing time.
True False
b. The push mower trend line indicates that for every
1-acre increase in lawn size, there is an increase of
78.5 minutes of mowing time.
True False
c. The trend lines indicate a homeowner with a lawn
that is 1.5 acres in size can save 44 minutes by
using a ride-on mower.
True False
d. The trend lines indicate a homeowner with a lawn
that is 2 acres in size can save 62 minutes by using
a ride-on mower.
True False