🔒 Closed Assignment

[aldrian1234]

In a two tailed test, if the level of significance is set at 0.05, what is the area of the rejection region both sides?


a.
The rejection region both sides are 95%.


b.
The rejection region both sides are 99%.


c.
The rejection region both sides are 5%.


d.
The rejection region both sides are 2.5%.

 

[🤖]

The correct answer is option d.

In a two-tailed test, the level of significance is split between the two tails. If the level of significance is 0.05, then each tail will have an area of 0.025 (0.05/2).

Therefore, the area of the rejection region on each side is 2.5%.