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-33.33 points MInt troStatB 12 E.506 XP. My Notes Ask Your Teache Different vari

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Question

-33.33 points MInt troStatB 12 E.506 XP. My Notes Ask Your Teache 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 length in millimeters of three varieties of these flowers on the island of Dominica. data264.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 ST to three decimal places. Round your test statistic to two decimal places. Round your P-value to three decimal places n flower type H. caribaea red H. caribaea yellow

Explanation / Answer

Sol:

one way anova has to be performed.

Ho:there are no difference in means of three groups of flowers:

H1:Atleast one of the means are different.

alpha=0.05

summary(mod)
Df Sum Sq Mean Sq F value Pr(>F)
variety 2 1164.7 582.3 364.2 <2e-16
Residuals 51 81.5 1.6   

variety ***
Residuals   

F=364.20

p value=<2e^-16=0.000

There is significant difference in means of three flowers at 5% level of significance.

FOR THE BOX FILL THIS DATA

bihai 16 47.8469 1.504 0.376 red 23 39.9822 1.269 0.265 yellow 15 35.8853 0.931 0.24