This table shows the temperature in Prairie View yesterday morning.
Time Temperature
6 a.m. 55°F
7 a.m. 56°F
8 a.m. 57°F
9 a.m. 59°F
10 a.m. 62°F
11 a.m. 64°F
What was the average rate of change in the temperature between 8 a.m. and 11 a.m.? Round your answer to the nearest tenth.
°F per hour