Population Comparison
Let 
and 
be the number of successes in variates taken from two populations. Define
 |  |  | (1) |
 | |  | (2) |
The Estimator of the difference is then
. Doing a z-Transform, | (3) |
 | (4) |
 |  |  | (5) |
 | |  | (6) |
 | |  | (7) |
See also z-Transform
- Uniform Convergence
- Uniform Distribution
- Uniform Polyhedron
- Uniform Variate
- Unimodal Distribution
- Unimodal Sequence
- Unimodular Group
- Unimodular Matrix
- Unimodular Transformation
- Union
- Uniplanar Double Point
- Unipotent
- Unique
- Unique Factorization Theorem
- Unit
- Unital
- Unitary Aliquot Sequence
- Unitary Amicable Pair
- Unitary Divisor
- Unitary Group
- Unitary Matrix
- Unitary Multiperfect Number
- Unitary Multiplicative Character
- Unitary Perfect Number
- Unitary Sociable Numbers