b) A composite rating is given by executives to each college graduate who joining a plastic manufacturing firm in order to see if there is a relationship between executive and training rating. The executive ratings represent the future potential of the college graduates. The graduates then enter an in-plant training program and are given another composite rating. The executive ratings and the in-plant ratings are as follows. Graduates Training rating (Y) 4 4 4 3 Executive rating (X) 8 10 9 4 12 11 11 7 8 13 10 12 A B D E F G H I J K L 9 9 6 9 6 5 9 Based on the above data i) State the purpose for the study. (1 mark) ii) State the type of nonparametric test could be used to answer the question. (1 mark) 111) State the corresponding parametric test that could be used. (11 iv) Identify which test would be better to answer this problem. v) Perform both tests and write a short statement to compare the result. (6 m b) A composite rating is given by executives to each college graduate who joining a plastic manufacturing firm in order to see if there is a relationship between executive and training rating. The executive ratings represent the future potential of the college graduates. The graduates then enter an in-plant training program and are given another composite rating. The executive ratings and the in-plant ratings are as follows. Graduates Training rating (Y) 4 4 4 3 Executive rating (X) 8 10 9 4 12 11 11 7 8 13 10 12 A B D E F G H I J K L 9 9 6 9 6 5 9 Based on the above data i) State the purpose for the study. (1 mark) ii) State the type of nonparametric test could be used to answer the question. (1 mark) 111) State the corresponding parametric test that could be used. (11 iv) Identify which test would be better to answer this problem. v) Perform both tests and write a short statement to compare the result. (6 m