Question: Because both interventions involved putting previously sedentary subjects onto exercise regimens, David is interested if there was an overall change in respiratory fitness (measured by

Because both interventions involved putting previously sedentary subjects onto exercise regimens, David is interested if there was an overall change in respiratory fitness (measured by VO2,max) from baseline to follow-up. Test the investigator's hypothesis using the data.

What test is appropriate for this data?

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