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Consider an experiment designed to determine the effectiveness of a new medicated skin cream, M-Cream, by tracking skin improvement. This study will focus only on people with eczema. Volunteers are randomly assigned to two groups. Group 1 will receive samples of M-Cream and Group 2 will receive a cream with no active ingredients, X-Cream. Identify the response variable.
A) Group 2
B) Group 1
C) Skin improvement
D) X-Cream
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22 days ago