?Effects of Exercise A physical therapist wishes to learn whether an exercise program increases flexibility. She measures the flexibility (in inches) o
Chapter 15, Problem 12(choose chapter or problem)
Effects of Exercise A physical therapist wishes to learn whether an exercise program increases flexibility. She measures the flexibility (in inches) of 12 randomly selected subjects both before and after an intensive 8-week training program and obtains the data shown. Is the median flexibility before the exercise program less than the median flexibility after the exercise program? Use the a = 0.05 level of significance
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