A Statistic Is

question 15

Multiple Choice

A statistic is

• A)a function that is computed from the sample data.
• B)a function that exists within the population.
• C)the true population parameter.
• D)constant.

---

Definitions:

Level of Significance

In hypothesis testing, it's the threshold used to determine the statistical significance of an observed effect, often set at values like 0.05 or 0.01.

Rejection Region

The range of values in hypothesis testing that, if the test statistic falls within, leads to the rejection of the null hypothesis.

F-distribution

A probability distribution used in analysis of variance (ANOVA), assessing whether the means of various groups are equal.

Upper Tail

The portion of a distribution of values that lies above the upper limit of the central part of the distribution.