A small new study shows that tai chi, an ancient Chinese practice ofaerclse and meditaticn, may relieve symptoms of chrcnic painful brcmyalgia. The study assigned 76 librcrnyalgia patients a take either a 12*week tai chi class, or attend a wellness education class. (a) Provide a randomization scheme to assign 76 subjects to the two groups. (Select all that apply.) C] Number the patients 1776 as they enter. Assign odd numbered patients to tai chi, even numbered patients to the wellness education class. C] Assign all patients to bcth the tai chi course and the wellness education class. C] Let each patient pick whether they want to take the tai chi class or the wellness education class. D Flip a CDll'l for each patient, iF it is heads assign them to the tai chi class, if it is tails assign them to the wellness edueatlon class. (b) which of the possible randomization schemes result in equalrsizecl groups? Explain. (Select all that apply.) D Numbering the patients 176 as they enter and assigning cdd numbered patients to tai chi, even numbered patienls tc the wellness education class. There are an equal number at even and odd numbered patients. C] Assigning all patients to bath the tai chi course and the wellness education class. Bath classes will have all 75 patients in them C] Letting each patient pick whether they want tc take the tai chi class or the wellness educaticn class. The patients will naturally split intc equalssized grcups. C] Flipping a coin for each patient, if it is heads assign them to the tai chi class, lfit is tails assign them to the wellness edumtlon class. Since the coin will land on heads exactly half the lime and tails the other half of the time, the groups will be equal-sized