Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

For each individual in a human hybrid population there is a proportion μ i, whose value is usually unknown, that expresses the fraction of his genes deriving from a specified parental population. The ...

Central Limit Theorem: A sampling distribution of the mean is approximately normally distributed if the sample size is sufficiently large. This is true no matter what the population distribution is.