The output of five separate machines (A, B, C, D and E) is being evaluated. The following data indicates the output from the five machines over 3 days. Assess whether there is a difference between the five machines. Test at the 5% level of significance.

A B C D E

55 58 55 52 44

46 50 60 54 49

54 51 62 46 51

Assess whether there is a difference between the five machines. Test at the 5% level of significance. 14