Students set up three trials of an experiment to test the effect of the amount of water on bean plant growth. In each trial, five plants each receive one of three amounts of water. After one week, students measure the change in each plant's height. The table summarizes their data.
Effect of the Amount of Water on Bean Plant Growth
Trial 1
Trial 2
Trial 3
Little
4.1, 4.7, 3.9, 4.2
3.3, 4.6, 4.1, 3.5
5.0, 4.8, 4.1, 4.0
Moderate
6.1, 5.8, 6.0, 6.4
6.3, 5.7, 6.2, 6.1
5.9, 6.0, 6.1, 6.3
2.3, 2.2, 1.9, 2.1
High
4.5, 4.1, 4.2, 3.9
2.6, 2.3, 2.0, 2.2