A randomly selected group of 1,092 students were chosen to taste a new and improved formulation of sour cream and onion potato chips. Each student ate 15 ounces of potato chips. Of the 563 students that were given a new formulation of sour cream and onion potato chips, 89 developed cramps from gas. Of the 529 students that ate the old formulation of sour cream and onion potato chips, 111 developed cramps?|||control: none described. need some students who do everything but eat chips.
experimental variable: new or old formula
responding variable: cramps or not
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