Background In May 2020, England banned menthol as a characterising flavour in cigarettes. However, the sale of menthol accessories (eg, filters, flavour cards) remains permitted. This study assessed ...

This is another hidden side mission that is a continuation from The Neverending Quarry side mission. There will not be an exclamation point ("!") to denote its location. You must find the fake vending ...

Pilot trials have a key role in preparing for definitive randomized trials, yet determining their sample size remains a common challenge. This article provides practical guidance, methods, and ...

In other words, this is a big debacle, a complete failure. Fail, as in failure. Literally, this is a big failure, incredibly big in terms of, well, bigness. I know that sounds, like, illiterate, but ...

In statistics, a population refers to the entire group of individuals or items that we are interested in studying. However, collecting data from the whole population is often impractical due to size, ...

Hall’s studies suggest that high ceilings create a sense of openness, promoting abstract thinking, creativity, and holistic problem-solving. Conversely, lower ceilings foster a sense of confinement, ...

When an absolute number doesn't adequately describe a scenario, proportions help fill the gap by describing the number with respect to a total. As an example, knowing that 30 orders were for a ...

Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.

This calculator should be used for simple random samples only. The calculator determines sample sizes for estimates of proportions. In this case Standard Errors are ...