Refer to Exercise 10.3.10. Invent a fictitious data set on coronary treatment and angina for 1,000 patients, for which r{Yes | A} is twice as great as r{ Yes | B}, but nevertheless the majority of patients who have angina also had bypass surgery (as opposed to angioplasty).
Exercise 10.3.10
A randomized experiment was conducted in which patients with coronary artery disease either had angioplasty or bypass surgery. The accompanying table shows the incidence of angina (chest pain) among the patients 5 years after treatment.

Let A represent angioplasty and B represent bypass.

Transcribed Image Text:

Treatment Angioplasty Bypass Total 185 74 Angina? Yes No Total 402 513 441 843 515 1,028