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# A portion of an ANOVA summary table is shown below; the table has 4 columns of data with a total number of?

A portion of an ANOVA summary table is shown below; the table has 4 columns of data with a total number of data points of 34:

Source | Sum of Squares

Between ---------16

Within (error) -----40

Total ----------------56

The critical value for this problem should have dfN (degrees of freedom in the numerator) and dfD (degrees of freedom in the denominator) of

A) dfN = 3, dfD = 30

B) dfN = 30, dfD = 3

C) dfN = 16, dfD = 40

D) dfN = 40, dfD = 16

### 1 Answer

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- cidyahLv 78 years agoFavorite Answer
dfN = 3, dfD = 30

df

treatments 4-1=3

error = 30

total 34-1 = 33

error always goes to the denominator when you calculate F statistic.

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