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critical value
This term is a technical expression used primarily in statistics and thermodynamics. In a statistical context, it serves as a benchmark to determine whether a result is statistically significant, acting as the dividing line between the acceptance and rejection of a null hypothesis. It is often contrasted with the test statistic calculated from sample data.
In physical sciences, the term describes a precise tipping point where a material's properties change abruptly, such as the transition from a liquid to a gas. Because it refers to a specific, measured threshold, it is used in highly formal, academic, or technical registers and is rarely found in casual conversation.
Ý nghĩa
A specific threshold value in a statistical distribution that defines the boundary of the rejection region for a hypothesis test.
The calculated critical value for the t-test was 2.042, meaning the null hypothesis was rejected.