The following are coefficients of correlation (r) . The one that indicates a strong positive linear relationship between the two variables of interest is:

A) 0.8
B) -0.9
C) 0.9
D) -1.3
E) -1

Question

The following are coefficients of correlation (r) . The one that indicates a strong positive linear relationship between the two variables of interest is:A)  0.8B)  -0.9C)  0.9D)  -1.3E)  -1

Nikos Makrodimitris · Accepted Answer

Final Answer : C, Explanation :  A correlation coefficient of 0.9 indicates a strong positive linear relationship between the two variables. A coefficient of 0.8 also indicates a strong positive relationship, but not as strong as 0.9. Coefficients of -0.9, -1.3, and -1 indicate negative relationships. A coefficient cannot be greater than 1 in magnitude, so -1.3 and -1 are not valid correlation coefficients.

The following are coefficients of correlation (r) . The one that indicates a strong positive linear relationship between the two variables of interest is:

A) 0.8
B) -0.9
C) 0.9
D) -1.3
E) -1

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