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10 cards from this deck
Numerical measure of how closely points cluster around a line
rrr
Between −1-1−1 and +1+1+1, inclusive
Perfect positive linear association, points on upward line
Perfect negative linear association, points on downward line
No linear association or pattern in the data
Direction of the linear association (positive or negative)
Strength of the linear relationship
0.75≤r≤10.75 \leq r \leq 10.75≤r≤1
Variables numeric, association linear, no outliers
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