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Statistical Biology Part 1 : Descriptive Statistics, Probability, Distributions & Biostatistics Fundamentals
Question 34 / 50
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STAT-034
When to use PARAMETRIC vs NON-PARAMETRIC tests — what is the decision criterion?
A. Parametric tests are always preferred regardless of data type
B. Parametric: when data is normally distributed and interval/ratio scale; Non-parametric: when data is ordinal, non-normal, or small samples
C. Non-parametric tests are only for very large samples
D. Parametric tests are only for categorical data
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