Answer to Question #31864 in Statistics and Probability for Ben

Question

The following data represent the number of units of production per day turned out by 5 different workmen using different types of machines.
workmen 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.
i.Test whether the mean productivity is the same for the different machine types.
ii.Test whether 5 men differ with respect to mean productivity.