______ separates the regions of rejection and non-rejection.

A) The alternative hypothesis
B) The population mean (μ)
C) A critical value
D) The median

Regions of Rejection

Areas in a statistical test that, if a test statistic falls within, lead to the rejection of the null hypothesis.

Critical Value

The threshold value that the test statistic must exceed in order for the null hypothesis to be rejected.

Non-rejection

A decision in hypothesis testing where there is not enough evidence to reject the null hypothesis.