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How do you determine the coefficient of correlation and determination?

1. The following sample observations were randomly selected.

x 4 5 3 6 10
y 4 6 5 7 7

Determine the coefficient of correlation and the coefficient of determination. Interpret.

2. The following sample observations were randomly selected.

x 5 3 6 3 4 4 6 6
y 13 15 7 12 13 11 9 5

Determine the coefficient of correlation and the coefficient of determination. Interpret.

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