According to an IT review, the average purchase recovery periodAccording to a director of a major professional association in project management, the average number of years of experience of project managers with project management software would probably be more than 6 years.We want to check this statement with members of the PMI (Project ManagementInstitute). A survey of a random sample of 24 project management practitioners leads to the data opposite:Table : Number of years of experience(On document)Statistical processing (with Excel) gives the following informationSample deviation: 1,2854A) Specify the statistical assumptions that would be appropriate according to the statement that has been madeB) What is the average number of years of experience obtained for this sample?C) What is the observed value of Student's T?D) Specify the decision rule to be adopted, at the 5% service threshold.E) Is the director's assertion favored at the chosen meaning threshold?Explain.