Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.

It's not feasible to contact every member of the population, so only a sample, or a subset, of that population is included when conducting statistical research. The assumption is that the sample is ...

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 ...

If you're like I am, you probably find the statistics associated with the COVID-19 virus to be contradictory and confusing – a bewildering patchwork of testing programs initiated by cities, counties ...