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10 questions from this quiz
Product Moment Correlation Coefficient
r=1r = 1r=1
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
r=−1r = -1r=−1
Correlation does not imply causation
The mean point (xˉ,yˉ)(\bar{x}, \bar{y})(xˉ,yˉ)
When data appears linear and rrr is strong
Cannot be sure relationship stays linear
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