You're trying to improve turnaround time of loans in bank & you collect the following data on # of tellers vs loan process time. What does it say about the impact of # of tellers (X axis) on loan processing time (y-axis)?

a) The correlation between those variables is neg, indicating loan processing time increases as # of tellers is increasing

b) The correlation between those variables is neg, indicating loan processing time decreases as # of tellers is increasing

c) The correlation between those variables is +, indicating that loan processing time increases as # of tellers is increasing

\# of Telles vs Loan Time (days)