4.Which of the following statements regarding a correlation coefficient of 0.60 for two variables Y and X is least accurate? This correlation:
A) indicates a positive linear relation between the two variables.
B) indicates a positive covariance between the two variables.
C) indicates that a regression of Y on X will have a positive slope.
D) is significantly different from zero.
The correct answer was D)
A test of significance requires the sample size. So this statement may or may not be true. The others are certainly true.
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