Question: Plants and hummingbirds. Different varieties of the tropical flower Heliconia are fertilized by different species of hummingbirds. Over time, the lengths of the flowers and the form of the hummingbirds' beaks have evolved to match each other. Here are data on the lengths in millimeters of three varieties of these flowers on the island of Dominica
Do a complete analysis that includes description of the data and a rank test for the significance of the differences in lengths among the three species.