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 blood pressure, then followed the subjects for 5 years. The following two-way table gives the results of the study: Cardiovascular death? Yes No Total Blood pressure Low High 21 55 2655 3283 2676 3338 In this example, which of the following would be appropriate to calculate? A. O Conditional row percentages B. O Conditional column percentages C. The correlation coefficient r Total 76 5938 6014

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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 blood pressure, then followed the subjects for 5 years. The
following two-way table gives the results of the study:
M
Cardiovascular death?
Yes
No
Total
Blood pressure
High
Low
21
2655
2676
55
3283
3338
In this example, which of the following would be appropriate to calculate?
A. O Conditional row percentages
B. O Conditional column percentages
C. O The correlation coefficient r
D. O The five-number summary of both variables
Total
76
5938
6014
Transcribed Image Text: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 blood pressure, then followed the subjects for 5 years. The following two-way table gives the results of the study: M Cardiovascular death? Yes No Total Blood pressure High Low 21 2655 2676 55 3283 3338 In this example, which of the following would be appropriate to calculate? A. O Conditional row percentages B. O Conditional column percentages C. O The correlation coefficient r D. O The five-number summary of both variables Total 76 5938 6014
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