A one-way analysis of variance (ANOVA) is an omnibus test. In order to determine which pairs of groups are different from one another a post-hoc analysis is needed. true or false

Which of the following isTRUEabout hypothesis testing?

Hypotheses are statements about the sample(s).

Results are said to be statistically significant when the p value is less than the alpha level.

The alternative hypothesis always contains an equality.

In hypothesis testing, population parameters are used to make inferences about sample statistics.