Select the correct answer.
The scatter plot represents the purchase prices and selling prices of X-ray machines made by five different manufacturers. Which of the following points show errors of prediction or residuals?
A. Points (14, 25) and (15, 25)
B. Points (15, 25) and (18, 26)
C. Points (14, 25) and (16, 25)
D. Points (12, 24) and (18, 26)
