Which of the following coefficients of correlation indicates the strongest relationship between two sets of variables?

Which of the following coefficients of correlation indicates the strongest relationship between two sets of variables?

Which of the following coefficients of correlation indicates the strongest relationship between two sets of variables?

a. -0.98
b. 0.90
c. 0.00
d. 1.20

The strongest relationship is one with the most correlation and a negative correlation means that  a relationship exists the more of one variable, the less of the another. Therefore -0.98 indicates the strongest relationship.