Resistance training is a popular form of conditioning aimed at enhancing sports performance and is widely used among high school, college, and professional athletes, although its use for younger athletes is controversial. A random sample of 4111 patients aged 8 - 30 admitted to U.S. emergency rooms with the injury code "weightlifting" were obtained. These injuries were classified as "accidental" if caused by dropped weight or improper equipment use. The patients were also classified into the four age categories "8-13," "14-18," "19-22," and "23-30." Here is a two -way table of the results:

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