In Birds, the Muscles That Pull the Wing Down, and Thus

Essay

In birds, the muscles that pull the wing down, and thus cause the actual flight, are the "large pectorals." In the article, "Dimensional Relationships for Flying Animals," the author reports the following pectoral muscle weight in grams for birds of prey (Rapaces diurnes voiliers.)958, 715, 299, 476, 223, 270, 194, 226, 113.5, 79.8,
149, 84.2, 73.8, 53.8, 36, 48, 151
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(a)Construct a stem and leaf plot of these data.
(b)In a few sentences, describe the distribution of the pectoral muscle weights.