A small new study shows that tai chi, an ancient Chinese practice of exercise and meditation, may relieve symptoms of chronic painful fibromyalgia. The study assigned 66 fibromyalgia patients to take either a 12-week tai chi class, or attend a wellness education class.
a. Provide a randomization scheme to assign 66 subjects to the two groups.
b. Will your randomization scheme result in equal-sized groups? Explain.