MC is a company in the oommunications industry. The human resouroes manager must hire a new person to do proofreading. After preliminary tests selection from different candidates, we observe that the average time to layout a document, identify typographical errors and identify spelling errors for a text of 1,500 words is greater than 4 hours. We want to verify this statement with the members of the Editors Association of Canada. A survey of a random sample of 14 reviewers collects the data below shown in Table 1. Table 1 Overhaul time [hours] You are asked to verify this statement using Student's t statistical test. Knowing that the conditions of application are respected, carry out all the steps of the test approach, using the 5% signicanoe level