The Ways of Conducting Random Sampling Are as Follows: Simple random sampling – In this sampling method, each item in the population has an equal probability of getting selected in the sample.

The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important.

Systematic Sample Systematic sampling is a form of probability sampling. Similar to simple random sampling, it involves selecting random samples in fixed periodic intervals.

Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol. 58, No. 1 (Apr., 1996), pp. 80-83 (4 pages) This note provides a method, which is an adaption of the method of McLeod and ...

Serious polling requires careful data collection and careful adjustment. It doesn't mean much to say your poll is a "probability sample" when your nonresponse rate is 90 percent.

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 $(0, 1)$.