The general manager of an engineering firm wants to know whether a draftsman's experience influences the quality of his work. He selects 10 draftsmen at random and records their years of work experience and their work quality rating (excellent = 5, very good = 4, good = 3, average = 2 and poor = 1).The data recorded are given as follows: Experience: 1 17 20 9 2 13 9 23 7 10 Rating: 1 4 4 5 2 4 3 5 2 5 Find correlation coefficient between experience and rating. Also interpret the result?