The table shows the time a patient spends at the dentist and the amount of the bill. A 2-column table with 4 rows. The first column is labeled time spent at the dentist (in hours) with entries 1.4, 2.7, 0.75, 1.6. The second column is labeled bill amount (in dollars) with entries 235, 867, 156, 215.
What is the correlation coefficient for the data in the table?

–0.93
–0.27
0.27
0.93