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Problem #1: Read the article (click on the link): The Effectiveness and Cost-Effectiveness of a Participative Community Singing Programme as a Health Promotion Initiative for

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Problem #1: Read the article (click on the link): The Effectiveness and Cost-Effectiveness of a Participative Community Singing Programme as a Health Promotion Initiative for Older People: Protocol for a Randomised Controlled Trial Find and comment on the following: 1. Null Hypothesis 2. Alternate hypothesis. 3. Level of significance 4. Collection and summarization of sample data 5. Decision making on discarding / retaining the null hypothesis

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