Statistical Methods 13 Sampling Techniques
Random sampling methods ! Simple Random Sampling: Every member of the population is equally likely to be selected) ! Systematic Sampling: Simple Random Sampling in an ordered systematic way, e.g. every 100th name in the yellow pages ! Stratified Sampling: Population divided into different groups from which we sample randomly !
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Statistics: 1.1 Paired t-tests - www.statstutor.ac.uk
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