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High blood pressure is unhealthy. Here are the results of one of the studies that link high blood pressure to death from cardiovascular disease. The researchers classified a group of white males aged 35 to 64 as having Low blood pressure or High, then followed the subjects for five years.
The following two-way table gives the results of the study:
| Blood Pressure | ||||
|---|---|---|---|---|
| Low | High | Total | ||
| Cardiovascular Death? | Yes | 21 | 55 | 76 |
| No | 2655 | 3283 | 5938 | |
| Total | 2676 | 3338 | 6014 | |
In this example, it would be appropriate to calculate:
ANSWER:
conditional column percentages