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Question: find the correlation coefficient of each set of data correct...

Question details

Find the Correlation Coefficient of each set of data, correct to 2 decimal place:

a)

x y
3 7
5 9
4 3
11 7
15 12
8 4
9 1

b)

x y
5 67
6 49
3 81
9 23
11 55
8 91
4 61

c)

x y
8 11
4 8
7 11
2 4
9 12
14 16
23 23

d)

x y
5 21
3 28
6 19
5 17
9 21
4 26
11 15
15 18
9 12
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