F Distribution
F Distribution
The F distribution with m and n degrees of freedom is the continuous probability distribution with the following probability density function:
Statistics
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Student T Distribution
Student T Distribution
The Student t distribution with n degrees of freedom is the continuous probability distribution with the following probability density function:
Chi-Square Distribution
Chi-Square Distribution
The chi-square distribution with n degrees of freedom is the continuous probability distribution with the following probability density function:
Normal Approximation to the Binomial Distribution
Normal Approximation to the Binomial Distribution
The random variable X that is binomially distributed with parameters p and n has the following probability mass function:
The mean and variance of X are
Z Scores and the Normal Distribution
Z Scores and the Normal Distribution
The z score of a random variable X that is normally distributed with parameters m and s is computed as follows:
Standard Normal Distribution
Standard Normal Distribution
Properties of the Normal Distribution
Poisson Approximation to the Binomial Distribution
Poisson Approximation to the Binomial Distribution
The random variable X that is binomially distributed with parameters p and n has the following probability mass function:
Binomial Approximation to the Hypergeometric Distribution
Binomial Approximation to the Hypergeometric Distribution
A random variable X that has a hypergeometric distribution with parameters N, n and k has the following probability mass function:
Poisson Distribution
Poisson Distribution
The Poisson distribution with parameter l is the discrete probability distribution of a random variable X with the following probability mass function:
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