# Statistical Test

A statistical test is a test used to determine the statistical significance of an observation.

Statistical test is a college-level concept that would be first encountered in a probability and statistics course.

### Examples

Chi-Squared Test: | The chi-squared test is a statistical test for evaluating hypotheses involving enumerated data. |

Paired t-Test: |
The paired t-test is a statistical test that determines whether the means of two sample sets differ significantly. |

### Prerequisites

Hypothesis: | (1) In the mathematical and physical sciences, the term hypothesis is often used as a rough synonym for conjecture . (2) In statistics, a hypothesis is a statement that can be tested. (3) In logic, a hypothesis is the first part of a logical implication. |