Main public logs
Combined display of all available logs of Wiki@IndraStra. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 12:50, 20 August 2026 WikiSysopIG talk contribs created page Variance (Created page with "'''Variance''' is a statistical measure of the dispersion of observations around their mean. It measures the average squared deviation from the mean. In finance, variance is commonly used to measure the variability of investment returns and is an important component of volatility, portfolio risk, and portfolio theory. ::contentReference[oaicite:0]{index=0} ==Population variance== For a population of <math>N</...")