Different varieties of the tropical flower Heliconia are fertilized by different

Question

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. data383.dat Do a complete analysis that includes description of the data and a significance test to compare the mean lengths of the flowers for the three species. (Round your answers for x to four decimal places, s to three decimal places, and s_(x^^_) to three decimal places. Round your test statistic to two decimal places. Round your P-value to three decimal places.)

F =

P =

Flower type n s H. bihai H. caribaea H. caribaea yellow

Explanation / Answer

from above F value=363.8705

P value=0.0000

Flower type n xbar s Sxbar bihai 16 48.2525 1.2869 0.3217 red 23 40.0457 1.4262 0.2974 Yellow 15 36.0693 1.0652 0.2750 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 1219.696 2 609.8481 363.8705 0.0000 3.1788 Within Groups 85.47616 51 1.6760 Total 1305.172 53

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