Question

for how many of the 9 data points is the actual y - value greater than the y - value predicted by the line of the best fit?
a. 8
b. 7
c. 5
d. 2

Explanation:

Step1: Understand the concept

A data point has an actual \( y \)-value greater than the predicted \( y \)-value (by the line of best fit) when the point lies above the line of best fit.

Step2: Count the points

Visually inspect the graph. Count the number of data - points that are above the line of best fit.

Answer:

b. 7