At what Percentage shall we test the Test Statistic, if not mentioned in the question? Sometime they take 0.5%,1% or 5%
5% is generally taken. However, we can show at multiple levels stating the level of significance taken.
We are expected to take 5% level. It is mentioned on page8 of chapter-12 that we should use 5% level if it's not mention in an exam question.
