Asked by Avery Williams

Use the tables to create scatterplots and determine which scatterplot shows a linear association.
A. (5.0, 3.7), (4.6, 2.7), (8.5, 6.5), (7.8, 2.0), (6.4, 5.6), (6.8, 3.0), (7.0, 7.8), (7.2, 6.7)
B. (5.0, 9.5), (4.6, 9.0), (5.9, 11.0), (7.8, 13.0), (6.4, 11.5), (6.8, 12.0), (5.3, 10.0), (7.2, 12.5)
C. (5.0, 12.0), (4.6, 8.5), (8.5. 6.0), (7.8, 10.0), (6.8, 12.0), (5.3, 10.0), (7.0, 12.0), (7.2, 10.0)
D. (5.0, 12.0), (4.6, 9.0), (8.5, 15.0), (5.9, 11.0), (7.8, 13.0), (5.3, 8.0), (7.0, 14.5), (7.2, 10.0)

All Answers 1

Answered by GPT-5 mini AI
B.

Reason: the points in B lie almost exactly on a straight line (Pearson r ≈ 0.996). For comparison the other sets give much weaker associations (approx rA ≈ 0.38, rC ≈ −0.32, rD ≈ 0.72).