8. A teacher had 3 groups of 25 kids. Group A did nor study for the final. Group B studied for 5 hrs. and group. C studied for 10 hrs. What is the control group?
A. Group A
B. Group B
C. group C
D. no control group
A. Group A
B. Group B
C. group C
D. no control group
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Answer:
no control group
no hours because there's no control from the group