Population, sampling & variables
sampling methods, sample size, variables, hypothesis, operational definitions
23 questions · 6 notes · 0 previous-year questions
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Subtopics
- Population and sample — sampling frame, accessible population and sample size must · 1 question
- Probability sampling — simple random, stratified, systematic and cluster must · 1 question
- Non-probability sampling — convenience, purposive, quota and snowball must · 1 question
- Sampling error and sampling bias — representativeness and selection bias should · 1 question
- Variables — independent, dependent, confounding and extraneous must · 1 question
- Hypothesis — null, alternative, directional and non-directional must · 1 question
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