Sample Variance
To estimate the population Variance from a sample of 
elements with a priori unknown Mean (i.e.,the Mean is estimated from the sample itself), we need an unbiased Estimator for 
. This is thek-Statistic 
, where
 | (1) |
is the sample variance | (2) |
 | (3) |
- Depth (Graph)
- Depth (Size)
- Depth (Statistics)
- Depth (Tree)
- Derangement
- de Rham Cohomology
- Derivative
- Derivative Test
- Derived Set
- Dervish
- Desargues' Theorem
- Descartes Circle Theorem
- Descartes-Euler Polyhedral Formula
- Descartes Folium
- Descartes' Formula
- Descartes Ovals
- Descartes' Sign Rule
- Descartes Total Angular Defect
- Descriptive Set Theory
- Design
- Design Theory
- de Sluze Conchoid
- de Sluze Pearls
- Desmic Surface
- Destructive Dilemma