A statistician wanted to determine whether students in different degree programmes can earn different amounts from summer jobs. A random sample of five students in the Business management, Accounting and Economics programmes were asked to report what they earned the previous summer. The results (in 1,000s) are listed below:

Business Accounting Economics Management 3.3 3.9 4.0 2.5 5.1 6.2 4.6 3.9 6.3 5.4 6.2 5.9 3.9 4.8 6.4