7.13 Tai Chi and Fibromyalgia A small new study shows that tai chi, an ancient Chinese practice of exer- cise and meditation, may relieve symptoms of chronic painful fibromyalgia. The study assigned 66 fibromy- algia 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.