Statistics
This category includes articles about statistics. Statistical methods are important to know about in order to be able to analyze financial markets and financial instruments.
Variables in statistics are measurements that can assume different values. Examples of variables can be weight, length and temperature. ...
Variance is a measure of variability based on deviation from the mean. Variance is the average of the deviations squared. ...
Variation width is the simplest measure of spread. Variation width does not account for the mean of a distribution. ...
A weighted arithmetic mean is a special use of the mean value. A weighted arithmetic mean can be used when the data is grouped into a frequency distribution or when there are many observations with th ...