Test: AP Statistics

A study is trying to determine if a particular medication (Y) is effective in weight loss. Patients participating in the study were randomly assigned to groups A, B, C, D, or E. Group A will receive one dose of Y, Group B will receive two doses of Y, Group C will receive three doses of Y, Group D will receive four doses of Y, and Group E will serve as the control group. 

1.

Which group will be receiving the placebo (a sugar pill)? 

Group A

Group D

Group C

Group E

Group B

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