Suppose you administer a certain aptitude test to a random sample of 9 students in your high school, and the average score is 105. Assume a standard deviation of = 15 for the test. We want to test that the average aptitude test is more than 100 at the= 0.05level. List out the five steps in hypothesis testing and be sure to write sentences explaining what you should do using the information given to you in the previous sentences.