Which of the following correlation coefficients is plausible for a study which showed that the weight of people's clothing increases as the temperature decreases?
A)r = +.20
B)r = 0.00
C)r = -.20
D)r = -2.0

Question

Quizplus · Accepted Answer

A negative correlation coefficient (-.20) is plausible because it suggests that as one variable (temperature) decreases, the other variable (weight of clothing) increases. A positive correlation coefficient or no correlation would not make sense in this context. Option D (-2.0) is not a plausible correlation coefficient as correlations can range from -1 to +1.

Which of the Following Correlation Coefficients Is Plausible for a Study