8. What is the confounding variable in this situation? To test a new drug for dogs,…

8. What is the confounding variable in this situation? To test a new drug for dogs, the control group consists of 30 dogs that weight 5-15 pounds, and the treatment group consists of 30 dogs that weigh 50-75 pounds. a. The treatment is a confounding variable. b. The difference in dog weights from each group is a confounding variable c. The size of the control group is a confounding variable. d. There is no confounding variable.