Each year around 160 colleges compete in the American Society of Civil Engineer’s National Concrete Canoe Competition. Each team must design a seaworthy canoe from concrete, a substance not known for its capacity to float. The canoes must weigh between 100 and 350 pounds. When last year’s entries weighed in, the weights ranged from 138 to 349 pounds.
a. Find the midrange.
b. The information given contains 4 weight values; explain why you used two of them in part a and did not use the other two.