Tag: deviation

DefinitionIn finance, the Sharpe ratio is a way to examine the performance of an investment by adjusting for its risk. The ratio measures the...

What is a sampling distribution A sampling distribution is a function that shows how a statistic varies across different samples of data drawn from a...

Bollinger bands saw its inception back in the late 20th century when John Bollinger – the creator of Bollinger bands – found a way...

In mathematics, standard deviation is the degree of the dispersion from a set of data’s mean. The SD is higher when the data is...

DefinitionA quartile is a type of quantile. The first quartile is defined as the middle number between the smallest number and the median of...

What is 'Variability' Variability is the extent to which data points in a statistical distribution or data set diverge from the average,...

What is 'Variance' Variance is a measurement of the spread between numbers in a data set. The variance measures how far each...

What is 'Dayrate Volatility' The intraday unpredictability of an exchange rate (or price of a good or service), that changes due to...

What is lead time and why is it important In the business world, lead time is the amount of time that elapses between the start...

DefinitionTail risk is the additional risk of an asset or portfolio of assets moving more than 3 standard deviations from its current price, above...