As part of a study to investigate reproductive strategies in plants, biologists recorded the time spent at sources of pollen and the proportions of pollen removed by bumblebee queens and honeybee workers pollinating a species of lily.
A data frame with 47 observations on the following 3 variables.
proportion of pollen removed
duration of visit (in seconds)
factor variable with levels
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
Harder, L.D. and Thompson, J.D. (1989). Evolutionary Options for Maximizing Pollen Dispersal of Animal-pollinated Plants, American Naturalist 133: 323–344.
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