For the data 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 his or her 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 Cañada Elementary School, La Cañada, CA.) Verify that the sample mean, trimmed mean, and median are X‾ = 229.2, X‾t = 220.8, and M = 221.