Dr. Loyola administers surveys to 15 refugees of the roughly 5000 refugees, after examining the survey, problems with this study's sample size and sample bias.
Growing the pattern length has a tendency to reduce the sampling mistakes; that is, it makes the pattern statistic much less variable. but, growing pattern length does not have an effect on survey bias. A large sample length can not be accurate for the methodological troubles that produce survey bias.
Sampling bias way that the samples of a stochastic variable that might be gathered to determine its distribution are selected incorrectly and do not constitute the true distribution because of non-random reasons.
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