(Solved by Humans)-A researcher is interested in whether there is a significant
Question
A researcher is interested in whether there is a significant difference between the mean age of marriage across three racial groups in the General Social Survey.? Using the data below, calculate the degrees of freedom for the between-group sum of squares?and?use this quantity to calculate the mean square between.
| Race | N | Mean |
| ??? Black | 113 | 25.39 |
| ??? White | 904 | 22.99 |
| ??? Other | 144 | 23.87 |
| All Groups | 1,161 | 23.33 |
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