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Poor fitness in adolescents and adults increases the risk of cardiovascular disease. In a study of 3110 adolescents and 2205 adults (Journal of the American Medical Association, December 21, 2005), researchers found 33.6% of adolescents and 13.9% of adults were unfit; the percentage was similar in adolescent males (32.9%) and females (34.4%), but was higher in adult females (16.2%) than in adult males (11.8%).

a. Summarize this information using a comparative bar graph that shows differences between males and females within the two different age groups.

b. Comment on the interesting features of your graphical display.

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Statistics and Probability, Statistics

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