[Solved] A hospital produced a kind of drug to lose weight. 8 persons were tested with this new drug. Weights of these 8 persons are shown in the table:
Question: A hospital produced a kind of drug to lose weight. 8 persons were tested with this new drug. Weights of these 8 persons are shown in the table:
| Subject | Before the drug | After the drug |
| 1 | 134 | 130 |
| 2 | 204 | 206 |
| 3 | 167 | 155 |
| 4 | 276 | 258 |
| 5 | 187 | 175 |
| 6 | 168 | 166 |
| 7 | 175 | 170 |
| 8 | 176 | 159 |
- Please test whether the drug is effective, with \(\alpha =0.05\).
- What is the p-value?
Deliverable: Word Document 
Solution: Two independent samples have been selected, 100 observations
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(All Steps) Solve by graphing: y = 2x + 1 and x + y = -2. Check
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