negative correlation means O a. there is no relationship among the variables--the variables are completely unrelated to each other, which usually means the researcher's hypothesis was not very good b. a third variable eliminates a correlational relationship c. there is a relationship between two variables, but it is not statistically significant d. one variable decreases as the other increases, such that low values of one variable are associated with high values of the other variable -O e. two variables increase together, but they are associated with an undesirable outcome