Definition
Hypothesis Testing is a statistical method used to assess whether observed data provide sufficient evidence to reject a defined assumption about a population.
Human Explanation
It helps evaluate whether an observed difference or relationship is difficult to explain by random variation under the tested assumption.
Why it Matters
It supports decisions based on statistical evidence rather than intuition alone.
Conceptual Boundary
A statistical test does not prove that a hypothesis is true. It evaluates evidence against a specified null hypothesis under defined assumptions and at a chosen decision threshold.
Practical Perspective
Hypothesis Testing is widely used in scientific research, business analytics and experiments. The test, assumptions and threshold should be selected before interpreting the result.