Multiple Choice
-According to the graph, how did the results of the control group compare to the results of the experimental group?
A) There was no difference between the results from both groups.
B) Echinacea tea was more effective for the experimental group.
C) Placebo tea was more effective for the control group.
D) Echinacea tea was more effective for the control group.
Correct Answer:

Verified
Correct Answer:
Verified
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