ition to the number of trichomes on the leaf petioles, you could alternately select for a different trait--such as the height of the plant at first flower, or leaf color--and choose the individual plants that are at one extreme for this trait to be the parent plants in your experiment.   The following data were obtained in an artificial selection experiment with Wisconsin Fast Plants. What is the mean height of the plants in the parent population, rounded to the nearest tenth (0.1)?

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