Question: The calculation of r can often be simplified by adding the same constant to each x, adding the same constant to each y, or multiplying

The calculation of r can often be simplified by adding the same constant to each x, adding the same constant to each y, or multiplying each x and/or y by the same positive constants. Recalculate r for the data of Example 14.7 by first multiplying each x and each y by 10 and then subtracting 70 from each x and 60 from each y.

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