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Understanding Sample Sizes and Confidence Levels in Research Studies

Learn about sample sizes, confidence levels, and sampling errors to ensure accurate and valid research outcomes. Discover how to determine the right sample size based on confidence levels and minimize sampling errors.

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Understanding Sample Sizes and Confidence Levels in Research Studies

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  1. SAMPLE SIZE, CONFIDENCE LEVELS AND SAMPLING ERROR N S (95%) S (99%) 50 44 50 100 79 99 200 132 196 500 217 476 1,000 278 907 2,000 322 1,661 5,000 357 3,311

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