Compute the sample correlation coefficient r for each of the following data sets and show that r is the same for both. (Use 3 decimal places.)
(i) | x | 3 | 4 | 9 |
y | 3 | 3 | 5 |
(ii) | x | 3 | 3 | 5 |
y | 3 | 4 | 9 |
r | |
(i) | |
(ii) |
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