In a clinical trial of the effectiveness of an herb for preventing colds, the results in the accompanying table were obtained. Use a 0.05 significance level to test the claim that getting a cold is independent of the treatment group. What do the results suggest about the effectiveness of the herb as a prevention against colds? Click the icon to view the data on herb treatments.X Herb treatments Treatment Group Placebo Herb: 20% Extract Herb: 60% Extract Got a Cold 90 52 39 Did Not Get a Cold 18 4 10