Question: We are interested in determining whether there is a correlation between X and Y (either positive or negative) in the population from which we sampled.

We are interested in determining whether there is a correlation between X and Y (either positive or negative) in the population from which we sampled. The data (from 8 subjects) are given below:

X Y
1 2
2 7
5 3
7 9
6 4
11 10
12 6
15 18

Estimate the 'standard error of r' (i.e. the standard deviation of the possible values of r).

est. r=?

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