Question: A study was conducted to see if a set of exercises would reduce the number of times a person visits a physical therapist. Eight subjects

A study was conducted to see if a set of exercises would reduce the number of times a person visits a physical therapist. Eight subjects were selected, and the number of times over a three month period that they visited a physical therapist was recorded. They were then given the exercise program, and the number of times they visited a physical therapist was recorded. The data are shown. At Î± = 0.05 can you conclude that the exercise program was effective; that is, did it reduce the number of times a person visited the physical therapist?

Ав с D E F 9 10 11 Subject Visits before Visits after B 12 15 8 13 G H 10 3 6. 4.

D E F 9 10 11 Subject Visits before Visits after B 12 15 8 13 G H 10 3 6. 4.

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