It measures how far each number in the set is from the mean (average), and thus from every other number in the set. Variance is often depicted by this symbol: σ 2. The square root of the variance ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting ...

An increase in watery vaginal discharge is a healthy, natural process, and may indicate ovulation, arousal, and pregnancy. Changes to discharge color, texture, and smell can indicate infections ...

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. If you can't remember your Wi-Fi ...