Four different assembly processes were under consideration. Sixteen workers were randomly assigned to the four processes, eight per process. The number of correctly assembled units in an eight-hour work shift was recorded:
Process 1 Process 2 Process 3 Process 4
31 29 28 32
36 32 36 33
36 35 29 33
34 32 31 31
a. What is the value of SSF
b. What is the value of SST
c. What is the value of SSE
d. With the alpha = 0.05, is there a significant difference between the four process?
Please show details and don't use Excel.
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