T Distribution
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Description
A symmetric bell shaped distribution that is useful for small sample (n>30) testing, when the mean is known and the population variance is estimated from the sample.
Concept Prerequisite
Wikipedia Reference
http://en.wikipedia.org/wiki/Student%27s t-distribution
Learning Material
Covered in Topic(s)
| Frequency Distribution Cross Tabs & Hypotheses Testing |
| Statistical Inference (Estimation and Hypothesis Testing) |