In: Statistics and Probability
The following data presents the number of units of
production per day turnout by 5 different number of workers using
five different number of machines.
                
Machines types
Workers 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
1. test whether the mean productivity is same for the different
machines
2. test whether the five workers differ with respect
to
mean productivity