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Calculation of marginals.
| Health Outcome | Not vaccinated Col 1 | Vaccinated Col 2 | Row marginals (Row sum) |
|---|---|---|---|
| Sick with pneumococcal pneumonia | 23 | 5 | 28 |
| Sick with non-pneumococcal pneumonia | 8 | 10 | 18 |
| Stayed healthy | 61 | 77 | 138 |
|
| |||
| Column marginals (Sum of the column) | 92 | 92 | N = 184 |
