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12 questions from this quiz
Strength & direction of relationship
rrr
Between −1-1−1 and +1+1+1
r=1r = 1r=1
r=−1r = -1r=−1
r=0r = 0r=0
r=−0.8r = -0.8r=−0.8
How close points cluster to a line
The other variable increases
−0.8-0.8−0.8 strong negative, 0.30.30.3 weak positive
Linear relationships only
No linear relationship exists
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