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Simple Random Sampling: 6 Basic Steps With Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
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Random Sampling: Key to Reducing Bias and Increasing Accuracy

Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data sets by using ...
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Ranked Set Sampling with Size-Biased Probability of Selection

Ranked set sampling as suggested by McIntyre (1952, Journal of Agricultural Research 3, 385-390) and Takahasi and Wakimoto (1968, Annals of the Institute of Statistical Mathematics 20, 1-31) may be ...
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Von Neumann's Comparison Method for Random Sampling from the Normal and Other Distributions

The author presents a generalization he worked out in 1950 of von Neumann's method of generating random samples from the exponential distribution by comparisons of uniform random numbers on $(0, 1)$.
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Systematic Sampling: What Is It, and How Is It Used in Research?

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...