Darwin (1876, p. 16) reported the results of an experiment

Chapter 10, Problem 16

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Darwin (1876, p. 16) reported the results of an experiment in which he grew 15 pairs of Zea mays (corn) plants. Each pair consisted of a self-fertilized and a crossfertilized plant that were grown in the same pot. The numbers below are the differences between heights (in eighths of an inch) of the two plants in each pair (cross-fertilized minus self-fertilized). 49, 67, 8, 16, 6, 23, 28, 41, 14, 29, 56, 24, 75, 60, 48 Find the (a) the sample mean, (b) the trimmed means for k = 1, 2, 3, and 4, (c) the sample median, and (d) the Mestimator with k = 1.5 and equal to

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