how about this questions?

DEC 2018 A pharmacist at Dungun Hospital conducted a study to determine whether there is a significant difference in time taken for the three brands of medicine to provide relief from headache. The following data depicts the time (in minutes) taken by patients to get relief from headache after taking the medicine. Brand 1 Brand 2 Brand 3 9 15 14 10 20 19 12 12 14 15 16 18 11 10 11 The data was analyzed using SPSS and the results is shown in the following ANOVA table. Source of Sum of Degrees of Mean F Sig. variation squares freedom square Between A 2 2.032 0.174 Within B 12 Total 164.933 14 a) Using the Sum of Square Between (SSB) formula, show that A = 41.733. Then, determine the values of B, C and D (5 marks) b) State the null and alternative hypotheses. (1 mark) c) Based on the output, is there any evidence to indicate there is difference in time taken for the three brands of medicine to provide relief from headache? Use a = 0.05