Construct a scatterplot for each data set. Then calculate r and r2 for each data set.
x
-2
-1
0
1
2
y
-2
1
2
5
6
a.
x
-2
-1
0
1
2
y
6
5
3
2
0
b.
x
1
2
2
3
3
3
4
y
2
1
3
1
2
3
2
c.
x
0
1
3
5
6
y
0
1
2
1
0
d.
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