The bootstrap can be used to assess uncertainty of sample estimates. We have previously discussed the importance of estimating uncertainty in our measurements and incorporating it into data analysis 1 ...

What Is the Central Limit Theorem? The Central Limit Theorem (CLT) states that if you sample a data population enough times, then the means and standard deviations of the samples will approach 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 ...

It would be intuitive to think that companies in the business of providing product samples to consumers on behalf of consumer brands and retailers would have been largely upended by the Covid pandemic ...

To protect public health following a wide-area chemical, biological (pathogen and/or biotoxin), or radiological (CBR) contamination incident, environmental sampling and analysis results are used to ...

Take control of your samples before they take control of you. During a brief break between patients one day, I walked back to our office kitchen to grab a cup of coffee. Our kitchen happens to be near ...

Learn how to identify microplastics in complex wastewater samples using automated full-filter imaging and AI-driven polymer ...

What is a total coliform positive or present sample? A water sample is present for total coliform or total coliform positive if coliform bacteria are found in the sample. Generally, coliforms are ...