14.36 The human resources department of Alfa Laval, Sweden, is analyzing on the number of years of work experience of employees in the marketing and finance departments. For a random sample of 12 marketing staff members, the number of years of work experience were as follows:

4 15 6 8 2 3 5 7 13 14 11 20 For the finance department, 10 employees were selected and the corresponding years of work experience were as follows:

11 7 9 15 3 6 3 10 7 11 Use the Mann-Whitney test to analyze the data and comment on the results.