Read the following prompt and answer question 5-8 Because of the rising costs of industrial accidents many chemical, mining, and manufacturing firms have instituted safety courses. Employees are encouraged to take these courses designed to heighten safety awareness. A company is trying to decide which one of the two courses to institute. To help make a decision eight employees take course 1 and another eight take course 2. Each employee writes a test which is marked, out of a possible 25. The results are shown below. Do these data provide sufficient evidence at the 5% level of significance to conclude that the marks from course 2 are higher than those of course 1? Assume that the scores are not normally distributed. Please observe that ETA1 is the median of course 1 and ETA2 is the median of course 2 Safety Test Scores Course 1 Course 2 14 20 21 18 17 22 14 15 17 23 21 19 222 45 15 16 19 20 16