Imagine you are interested in whether there is a significant difference between the mean
Imagine you are interested in whether there is a significant difference between the mean age of marriage across educational groups. Use the data in the accompanying table to calculate question below.
Highest Degree | N | Mean |
Less than high school | 195 | 22.47 |
High school | 590 | 22.87 |
Junior college | 86 | 23.71 |
Bachelor’s degree | 185 | 24.58 |
Graduate degree | 104 | 25.10 |
All Groups | 1,161 | 23.33 |
- Answer the blanks in the worksheet.
Highest Degree | Y bar for each group | Total mean | Group mean – Total mean | Square of the difference | The number of cases | Nk*Square of the difference |
Less than high school | ||||||
High school | ||||||
Junior college | ||||||
Bachelor’s degree | ||||||
Graduate degree | ||||||
Sum up= |
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Solution: Imagine you are interested in whether there is a significant difference between the mean