(i) | x | 8 | 2 | 9 |
y | 1 | 1 | 5 |
(ii) | x | 1 | 1 | 5 |
y | 8 | 2 | 9 |
r | |
(i) | |
(ii) |
We know the sample correlation coefficient r between x and y variable as:
Therefore the sample correlation coefficient r between x and y for sample 1:
Therefore the sample correlation coefficient ...
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