Obesity and exercise. The Centers for Disease Con-trol and
Chapter 3, Problem 32(choose chapter or problem)
Obesity and exercise. The Centers for Disease Con-trol and Prevention (CDC) has estimated that 19.8% ofAmericans over 15 years old are obese. The CDC con-ducts a survey on obesity and various behaviors. Here isa table on self-reported exercise classified by body massindex (BMI): a) Are these percentages column percentages, rowpercentages, or table percentages?b) Use graphical displays to show different percentagesof physical activities for the three BMI groups.c) Do these data prove that lack of exercise causesobesity? Explain.
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