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Lecture slides
Sample Size Calculation (2)
BUFHS
PPTX32 pages678 KB
Sample size calculation is a critical step in research to ensure statistically valid and reliable results, detect true effects, avoid false conclusions, and use resources efficiently. The document details factors influencing sample size, including confidence level, prevalence, margin of error, study design, and variability. It provides a step-by-step guide to applying Daniel's formula for cross-sectional studies and discusses adjustments for finite populations and non-response.
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