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In a experiment on relaxation techniques, subject's brain signals were measured before and after the relaxation exercises with the following results: Person 1 2 3
In a experiment on relaxation techniques, subject's brain signals were measured before and after the relaxation exercises with the following results:
Person | 1 | 2 | 3 | 4 | 5 |
Before | 31 | 37 | 66 | 52 | 28 |
After | 26 | 34 | 58 | 51 | 26 |
Assuming the population is normally distributed, is there sufficient evidence to suggest that the relaxation exercise slowed the brain waves? (Use =0.05)
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