A Manufacturer of Automobile Transmissions Uses Three Different Processes

Multiple Choice

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. What are the degrees of freedom for the numerator of the F ratio?

A) 2
B) 3
C) 10
D) 27
E) None of these statements are true