Question 9 of 9
Assume you have collected data pairs (x, y) on a certain variety of tree. X is the
number of weeks since the tree was planted and y is the height of the tree in
inches. A plot of the data points with the best-fit line is given below. What age
is predicted by the best-fit line for a height of 90 inches?
180
140 +
120
100
Height
80
B0
40
20
20
40
100 120
60
80
Age