Show each step of your solution for credit. clearly indicate your final answer. a study designed to evaluate the effect of the herbal remedy echinacea purpurea randomly assigned healthy children 2 to 11 years old to receive either echinacea or a placebo. each time a child had an upper respiratory infection treatment with echinacea or the placebo was given for the duration of the infection. parental assessment of the illness severity was measured. the following are the counts from the study: groupparental assessment echinacea placebomild 153 170moderate 128 157severe 48 40calculate the χ^2 statistic. (3 points)determine whether the results are significant at the α=0.05 level. (3 points)would you advocate for the use of echinacea in order to reduce the severity of upper respiratory infections? why or why not? (3 points)