A product moment correlation coefficient is . What does this indicate?
Answer and explanation
Correct answer: D. strong positive linear correlation
- Step 1: The value of lies between and ; its sign gives the direction and its size the strength of the linear relationship. Answer: strong positive linear correlation. Why not the others: perfect positive linear correlation: That describes a different value of . strong negative linear correlation: That describes a different value of . no linear correlation: That describes a different value of .
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