A manufacturer of automobile transmissions uses three different processes. 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 next. In an ANOVA table,what are the degrees of freedom for the treatment source of variation?

Question

A manufacturer of automobile transmissions uses three different processes. 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 next.  In an ANOVA table,what are the degrees of freedom for the treatment source of variation?

Quizplus · Accepted Answer

The degrees of freedom for the treatment source of variation is equal to the number of processes minus 1, which is 3-1=2.

A Manufacturer of Automobile Transmissions Uses Three Different Processes