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

The 1-rep max (1RM) is a great tool for anyone looking to increase their strength in the weight room. It’s both an expression of strength in an exercise movement and an integral way to track progress ...

With several Chicago-area counties under a "high" community level for COVID and more residents testing positive for the virus or being exposed to someone who has, many are wondering how long they ...

Conversion rate is one of the most common metrics used by marketers, sales folks, and business professionals. It is discussed often and taken on the surface as an important metric or key performance ...

Heart rate reserve (HRR) is the difference between your resting heart rate and your maximum heart rate. Knowing this number can help you train and work on your fitness goals. Your heart rate reserve ...

The mortgage stress test makes home buyers prove they can afford their payments if mortgage rates increase. You can stress test yourself using a mortgage calculator. Many or all of the products on ...

It’s tough to say whether we’re officially in a recession, but unemployment rates are traditionally one of the most reliable metrics to gauge how the economy is faring. However, the figures most often ...