Auditing involves assessing financial statements to ensure accuracy and compliance. A key component of this process is determining materiality and performance materiality, which are critical for ...

Stratified mean-per-unit sampling is a key tool used by auditors. The popularity of this statistical procedure arises from its unique ability to produce trustworthy ...

If a sample size is too small the confidence interval obtained for the sample estimate of the population value will be too wide to be clinically useful. Increasing the sample size will always decrease ...

The power of a study is its ability to detect a difference of a given size, given that the difference actually exists. For a fixed sample size, larger differences can be detected with greater power.

"An evaluation of sample size requirements for developing risk prediction models with binary outcomes" published in BMC Medical Research Methodology https://doi.org ...