Ray, a student in an advanced-level psychology course, was given the following assignment: Compute the correlation between height and weight for 335 students in his class. Ray completed the assignment and found that r = -1.09
What comment might the teacher have written on his paper?
a) "Good job, you have demonstrated a strong relationship between height and weight."
b) "Please check your calculations because you calculated a correlation coefficient that cannot occur."
c) "This assignment was a trick because height and weight cannot be correlated using methods available today."
d) "Looks like there is a strong negative relationship between height and weight, which is not likely to occur outside of a college population."
ANS: b
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