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Statistical Biology Part 1 : Descriptive Statistics, Probability, Distributions & Biostatistics Fundamentals
Question 44 / 50
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STAT-044
What is BIAS in statistical studies and what are the main types?
A. Bias is the random variation in measurements
B. Bias: systematic error that consistently affects measurements in one direction; main types: selection bias, information/measurement bias, confounding
C. Bias only occurs in experimental studies, not observational
D. Bias is corrected by increasing sample size
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