Question: 3. The methods of Section 9-3 can be used to test the claim that two populations have the same mean. Identify the specific claim that

3. The methods of Section 9-3 can be used to test the claim that two populations have the same mean. Identify the specific claim that the treatment is effective, then use the methods of Section 9-3 to test that claim. The methods of Section 9-3 are based on the requirement that the samples are independent. Are they independent in this case?

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