We have previously discussed the importance of estimating uncertainty in our measurements and incorporating it into data analysis 1. To know the extent to which we can generalize our observations, we ...

Central Limit Theorem: A sampling distribution of the mean is approximately normally distributed if the sample size is sufficiently large. This is true no matter what the population distribution is.

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Gordon Scott has been an active investor and technical analyst or ...

Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched his own financial advisory firm in 2018. Thomas' experience gives him expertise in a ...

On June 8, 2020, the Food and Drug Administration (FDA or Agency) issued temporary guidance to address concerns related to distribution of drug samples during the COVID-19 public health emergency. 1 ...

When particles in a sample are the same size, one particle can be measured to report the result. If the sample has a narrow distribution, such as 10-25 µm, then measurement of just a few particles can ...