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12 cards from this deck
rrr
How close points lie to a straight line
Product Moment Correlation Coefficient
r=1r = 1r=1
rrr close to 111
0<r<0.50 < r < 0.50<r<0.5
r=0r = 0r=0
−0.5<r<0-0.5 < r < 0−0.5<r<0
rrr close to −1-1−1
r=−1r = -1r=−1
No, correlation does not imply causation
Must be done in context
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