CHIS VQ11/ In an experiment to study the effect of different doses of vitamin C (0.100 and 0.200 mg) on patients having cold flu, it's believed that the age of patients affects the recovery from the flu. If the dose is given to 3 patients, the results as follows: Syy = 1000.Sxy = 200,Sxx = 900, Eyy = 500, Exy = 200, Exx = 150 Test if there are differences between the 3 doses of vitamin C. Comment?