5. Martina collected data on the maximum speed of several different types of snakes. The average weight, in ounces, for each type of snake and the average maximum
speed, in feet per second, is shown below.
Weight (oz)
4
5
6
8.5 11 12.5 14
16
19 22
Speed (ft/s) 5.0 4.8 4.7 4.3 4.5 4.1 3.9 4.0 3.5 3.1
Martina concluded that being heavy causes snakes to be slower. What is wrong with
Martina's reasoning?