A manufacturer of automobile transmissions uses three different processes. The management ordered a study of the production costs to see if there is a difference among the three processes. A summary of the findings is shown below.
Process 1 Process 2 Process 3 Total
Process total ($100') 137 108 107 352
Sample Size 10 10 10 30
Square of Sum 1893 1188 1175 4256
What is the sum of squares for the treatment?
a 67.80
b 58.07
c 149.34
d 23.47