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Answer 1

Question 5 of 10

Multiple Choice: Please select the best answer and click "submit."

Xavier is interested in testing the effectiveness of a new flea medication on dogs, so he divided some dogs with fleas into two groups, group C and group D. He gave group C the flea medication. Should he also give group D the flea medication?

A. Yes, because group D should be the control group
B. Yes, because group C is already the control group
C. No, because group D should be the control group
D. No, because group C is already the control group

Answer 2

no, since he needs a control group (a group he gives the old medication or placebo)

Answer 3

C right?

Answer 4

Thanks I got it correct