Statistics- Calculate the degrees of freedom for the between group sum

QUESTION

Calculate the degrees of freedom for the between group sum of squares. Then, use this quantity to calculate the mean square between A researcher is interested in whether there is a significant difference between the mean age of marriage across three racial groups . Based on the data below, answer these questions.RaceNMeanBlack11325.39White90422.99Other14423.87All Groups1,16123.33RaceY bar for each groupTotal meanGroup mean – Total meanSquare of the differenceThe number of casesNk*Square of the differenceBlack25.3923.332.064.2436113556730.6White22.9923.33-0.340.1156904121327.3Other23.8723.330.540.291614448750.851161Sum up= 726808.8Calculate the degrees of freedom for the between group sum of squares. Then, use this quantity to calculate the mean square between

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