rejection region

(statistics) A range of test values for which the null hypothesis is rejected.

日本語の意味

統計学における検定で、帰無仮説が棄却される値の範囲

If the test statistic falls within the rejection region, we conclude that the treatment had a significant effect.

検定統計量が棄却域に入る場合、私たちはその処置に有意な効果があったと結論づけます。

意味（1）

(statistics) A range of test values for which the null hypothesis is rejected.

Now it turns out that practically speaking a given rejection function induces only two rejection regions.

rejection regions

（ plural ）