Question

Use the tables to create scatterplots and determine which scatterplot shows a linear association.(1 point)

x
5 8 2 4 6 12 10 1 3 7
y
550 800 250 500 500 400 650 150 400 750

x
5 8 2 4 6 12 10 1 3 7
y
800 700 350 450 500 1000 900 250 400 750

x
5 8 2 4 6 12 10 1 3 7
y
550 800 250 300 700 1000 650 300 100 700

x
5 8 2 4 6 12 10 1 3 7
y
550 800 350 450 700 1000 900 250 400 750
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Answer 1

The 4th table shows a linear association.
(y values: 550, 800, 350, 450, 700, 1000, 900, 250, 400, 750) — the points lie almost on a straight line (Pearson r ≈ 0.99), indicating a very strong positive linear relationship.