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 denominator?
Definitions:
Daily Hassle
Routine challenges or minor irritations that occur as part of everyday life, often leading to stress.
Daily Hassle
Minor everyday stresses or frustrations that can accumulate and affect mental health and well-being.
Significant Life Change
Major events or transitions in an individual's life that necessitate adjustment, which can include changes in employment, relationship status, or health.
Epinephrine
A hormone and neurotransmitter also known as adrenaline, involved in regulating visceral functions (e.g., heart rate) and part of the body's fight-or-flight response.
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