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10 questions from this quiz
−1≤r≤1-1 \leq r \leq 1−1≤r≤1
Perfect positive correlation
Both variables increase together
Strong
Gradient of regression line
No, correlation does not imply causation
Downwards from left to right
0.25≤∣r∣<0.50.25 \leq |r| < 0.50.25≤∣r∣<0.5
Strength & direction of linear relationship
Moderate
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