In clinical trial of 260 people who had previously reported severe chronic pain. 80 of them were given new drug, and 180 were given current standard treatment.
Conduct hypothesis test using 0.01 level of significance to test if the kind of treatment is associated with the pain level. Of the 80 given the New Treatment 20 had Low Pain level, 20 had Medium, and 40 had High. Of those given Standard Treatment 80 had Low Pain level, 20 had Medium, and 80 had High.