Question: 1. An ANOVA procedure is used for data obtained from four populations. Four samples, each compromised of 30 observations, were taken from the four populations.

1. An ANOVA procedure is used for data obtained from four populations. Four samples, each compromised of 30 observations, were taken from the four populations. The numerator and denominator (respectively) degrees of freedom for the critical value pf F are

The answer is 3 and 116. However, I do not know how to solve for this at all. I tried the df formulas and I get 3 but not 116!?

Please fully explain how to get the answers! Thank you!

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