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 below. 
What is the mean square for treatments?
Definitions:
Truth Table
A table used in logic to determine the validity of a proposition by listing all possible scenarios and their corresponding truth values.
Truth-Value Assignment
The process of designating truth values (true or false) to the components (usually variables) of a logical expression or statement.
Main Connective
The primary logical operator in a compound statement determining its overall truth value.
Disjunction
A Boolean function that returns true when any of its inputs are true.
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