Answer to Question #30211 in Statistics and Probability for Sarath

Question

The following data represents the number of units of production per day turned out by 5 different workmen using different types of machines. Here, A B C and D are the different machine types. 1 2 3 4 and 5 are workmen.

A B C D
1 44 38 47 36
2 46 40 52 43
3 34 36 44 32
4 43 38 46 33
5 38 42 49 39

Q1. Test whether the man's productivity is the same for the four different machine types.
Q2. test whether five men differ with respect to mean productivity.