An account manager for a local software agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this belief, the following data was collected:
Sales person Number of Contacts Sales (in millions)
1 14 24
2 12 14
3 20 28
What most likely is the direction of the correlation between the two variables?
a. positive
b. negative
c. zero
d. can not tell