For the following situation, give the degrees of freedom for the model, for erro

Question

For the following situation, give the degrees of freedom for the model, for error, and for the total. A waiter designed a study to see the effects of his behaviors on the tip amounts that heA waiter designed a study to see the effects of his behaviors on the tip amounts that he received. For some customers he would tell a joke for others he would describe two ofreceived. For some customers he would tell a joke for others he would describe two ofthe food items as being particularly good that night and for others he would behavethe food items as being particularly good that night and for others he would behave normally. Using a table of random numbers he assigned equal numbers of his next 30normally. Using a table of random numbers he assigned equal numbers of his next 30 customers to his different behaviors.customers to his different behaviors. (Fill in the blanks below and give your answers as whole numbers.)
DFG =

DFE =

DFT =

Explanation / Answer

Total number of treatments (k) = 4 (Since waiter can behave in 4 different ways)

Total number of customers (n) = 30

Hence,

DFG = k - 1 = 4 - 1 = 3

DFE = n - k = 30 - 4 = 26

DFT = n - 1 = 30 - 1 = 29

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