A hypothesis test is carried out at the 5% level of significance to test if a normal coin is fair or not.
For the following situations, state at the 1% and 5% significance levels whether the null hypothesis should be rejected or not.
A teacher carried out a hypothesis test at the 10% significance level to test if her students perform better in exams after using a new revision technique. The p – value for her test statistic is 0.09142. Write a conclusion for her hypothesis test.