State the factors that affect power and what factors we have to specify to do a sample size calculation. Some notes on the behaviour of sample size calculations and power for unequal group sizes This ...

Key Points Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data ...

Key Points Variable data is data that is measured. It can be derived from anything that you measure within your processes. It ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former ...

Analysis: Even in a close election, random chance means polls should be showing a broader range of results. That raises the ...

Cassava Sciences' RETHINK-ALZ trial is nearing data release. See why SAVA stock could see volatility depending on trial ...

Mortgage refi rates inched a bit lower Tuesday, coming down from their most expensive level in nearly three months. Rates ...

With fewer landlines, busy parents juggling work and family, and younger adults who rarely answer calls, it has become much ...

Superconductivity is the phenomenon by which, at sufficiently low temperatures, electric current can flow in a metal with no ...

In MLB's own calculation on Statcast ... Crow-Armstrong’s exclusion may largely be due to timing and sample size. While his defensive impact was immediate, his mid-season call-up to Chicago ...

Nano emulsions are widespread as intermediate or end-products in food, cosmetics, pharmaceutical and chemical industries.