Which of the following is not a necessary step in every hypothesis testing procedure using a test statistic?
A. State a test statistic you'll use and justify its appropriateness
B. State a significance level so you can decide whether a P-value is significant.
C. State null and alternative hypotheses in the context of the problem.
D. State a conclusion in the context of the problem.
E. Compute the test statistic and use it to find a P-value.