A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...

It is impossible to count all the plants in a habitat, so a sample is taken. A quadrat is often used to sample plants. It marks off an exact area so that the plants in that area can be identified and ...

This course is taught live in a virtual classroom through interactive, instructor-led training with instrument parts and consumables shown and explained. Small group sizes with plenty of opportunities ...

Ryan Toma (left) is a Research Scientist at Viome Life Sciences (WA, USA). He focuses on the design and implementation of clinical studies with the aim of harnessing Viome’s personalized nutrition ...

The World Health Organization (WHO) warns that air pollution is of great concern and impacts health in many ways. To better the situation, it’s necessary to focus on air quality. However, when ...

There are some limitations of using a quadrat. Human judgement can be an issue when using a quadrat. For example, some plants may be partially inside/outside a quadrat so there are basic rules that ...

A new ASTM International standard is aiming to bring greater consistency to the way PFAS are sampled across environmental ...