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Compute the sample correlation coefficient r for each of the following data sets and show that...

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)
Math   Statistics-And-Probability   
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