Define a composite hypothesis and the level of significance for a test with a composite null hypothesis. Define a test statistic, level of significance, and the rejection region for a hypothesis test.

Under the null hypothesis (of equal proportions, specified frequencies, or specified proportions), this test statistic has an asymptotic chi-square distribution, with C - 1 degrees of freedom. In ...

A descriptive statistic is used to summarize sample data. A test statistic is used in statistical hypothesis testing. Here is a table describing both population parameters and sample statistics ...