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Many studies have investigated methods of reducing anxiety and depression. I've embedded some of their conclusions in given problem.
College students who reported anxiety or depression were randomly assigned to one of four groups: no treatment (NO), relaxation (RE), solitary exercise (SE), and group exercise (GE).
The numbers are the students' improvement scores after 10 weeks. Analyze the data and write a conclusion.
NO
RE
SE
GE
10
14
12
22
8
27
32
3
21
23
20
0
28
7
15
17
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