A bottle cap manufacturer with four machines and six operators wants to see if variation in production is due to the machines and/or the operators. ANOVA table follows. What are the degrees of freedom for the operators?

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A bottle cap manufacturer with four machines and six operators wants to see if variation in production is due to the machines and/or the operators. ANOVA table follows.  What are the degrees of freedom for the operators?

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The Answer of A bottle cap manufacturer with four machines and six operators wants to see if variation in production is due to the machines and/or the operators. ANOVA table follows.  What are the degrees of freedom for the operators?

A Bottle Cap Manufacturer with Four Machines and Six Operators