Multiple Choice
Advanced topic: If a study has 18 participants in the experimental group and 7 in the control group,what is the harmonic mean?
A) 18/(18+7) + 7/(18+7) = 1.00
B) (2) (18) /(18+7) + (2) (7) /(18+7) = 2.00
C) (2) (18) (7) / (18+7) = 10.08
D) (18+7) 2 / (18+7) = 25
Correct Answer:

Verified
Correct Answer:
Verified
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