Jocelyn is training for a race by running several miles each day. She tracks her progress by recording her average speed in minutes per mile for each day since she started training

1

2

3

4

5

6

Number of Days, x

Average Speed (min/mile), y

8.2

8.1

7.5

7.8

7.4

7.5

Based on the information given, what could Jocelyn expect to have for her average speed on the 9th day?

O 8.5 minutes per mile

O 7.2 minutes per mile

6.9 minutes per mile

O 6.2 minutes per mile