For the data used in given Exercise, which values would be declared outliers using the rule based on MAD?
Exercise
A class of fourth graders was asked to bring a pumpkin to school. Each of the 29 students counted the number of seeds in their pumpkin and the results were
250, 220, 281, 247, 230, 209, 240, 160, 370, 274, 210, 204, 243,
251, 190, 200, 130, 150, 177, 475, 221, 350, 224, 163, 272, 236,
200, 171, 98.
(These data were supplied by Mrs. Capps at the La Canada elementary school.) Verify that the sample mean, 20% trimmed mean, and median are X‾ = 229.2, X‾t = 220.8 and M = 221.