Statistics: Difference between revisions
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Z = (x - μ) / δ | Z = (x - μ) / δ | ||
== Binomial Distribution == | |||
[[Category:Notes]] | [[Category:Notes]] | ||
Revision as of 17:31, 5 April 2013
- mean
- x_bar = 1/n Σ xi
- permutation
- nPk = n! / (n-k)!
- n: size of the set
- k: elements drawn
Normal Distribution
Z distribution is a normal distribution with a mean (μ) of 0 and a standard deviation (δ) of 1. Any normal distribution is described by its μ and δ value.
To convert a normal distribution to a Z distribution
Z = (x - μ) / δ