Data are collected in a clinical trial evaluating a new compound designed to improve wound healing in trauma patients. The new compound is compared against a placebo after treatment for 5 days with the new compound or placebo, the extent of wound healing is measured and the data are shown in table 7-6. Is there a difference in the extent of wound healing by treatment? (hint: are treatment and the percent wound healing independent?) Run the appropriate test at a 5% level of signicance. Percent Wound Healing Teatment 0-25% 26-50% 31-75% 76-100% New Compund IN=125} Placebo n=125 14 36