Medical students compared two types of knee surgery to determine if patients were able to return to their active lifestyles. They studied partial knee replacement and total knee replacement. Identify the response and explanatory variables. (4 points)

Medical students compared two types of knee surgery to determine if patients were able to return to their active lifestyles They studied partial knee replacemen class=

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Answer:

D

Step-by-step explanation:

I just took the test and guess this but got it right lol, sorry I can't explain it