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13 questions from this quiz
Strength & direction of linear relationship
−1-1−1 to +1+1+1
Perfect positive linear relationship
Perfect negative linear relationship
No linear relationship
Positive
Negative
Points closely clustered around a line
r≈±0.9r \approx \pm 0.9r≈±0.9 or higher
r≈±0.5r \approx \pm 0.5r≈±0.5
r≈±0.2r \approx \pm 0.2r≈±0.2 or lower
No
Significantly affect it
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