Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data sets by using ...

The method of simple random sampling (METHOD=SRS) selects units with equal probability and without replacement. Each possible sample of n different units out of N has the same probability of being ...

In a recently published news story, we learn about a young doctor, Jake Deutsch, and his personal experience with coronavirus disease 2019. Deutsch tested positive for Covid-19 and checked himself ...

The World Wide Web contains a vast corpus of consumer-generated content that holds invaluable insights for improving the product and service offerings of firms. Yet the typical method for extracting ...

A general method is given for generating random permutations of integers using a table of random sampling numbers and without wasting the random numbers read. This is more convenient in practice, ...

Dr Jacob John, former chief of ICMR's Centre for Advanced Research in Virology, speaks to TOI on why the outcome of random sampling may not be a correct measure of the extent of the Covid-19 threat ...