Explain why a person would be wrong to claim, “My correlation coefficient is positive, therefore the two variables are highly correlated.”
1.A student is analyzing how two variables are correlated: size of committee and “efficiency” of committee. He reports to his friends that he had a correlation coefficient (r) of -0.85. What does the negative sign on the “r” tell us? (Hint: Don’t just say that the relationship is negative – explain what that means!!) […]