A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model ...

Sample test: Sample questions from the Taxi Driver Training Test 1. Smoking is prohibited in cars. Which word closely relates to the (bolded) word?-Allowed-Genius-Banned-Covert2. Another word for taxi ...

In an earlier article, I covered Fire Hazard Tests that form an important part of safety testing for electronic/electrical products. We looked at the standards and equipment used for abnormal heat, ...

New citizenship test largely mirrors the 2020 civics test the Trump administration implemented, but some answers are now more complicated ...

Any activity that creates dust should be investigated to see whether there is a risk of that dust being combustible. We've been blogging and writing a lot recently on the basics of combustible dust.

If a medical test result is inconclusive, the sample did not provide enough information to confirm a positive or negative result. A person may need another test. People can have various medical tests ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.