Question: Consider a sample least squares regression analysis between a dependent variable (Y) and an independent variable (X). A sample correlation coefficient of 1 (minus one)

Consider a sample least squares regression analysis between a dependent variable (Y) and an independent variable (X).

A sample correlation coefficient of −1 (minus one) tells us that

a. there is no relationship between Y and X in the sample

b. there is no relationship between Y and X in the population

c. there is a perfect negative relationship between Y and X in the population

d. there is a perfect negative relationship between Y and X in the sample.

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