The bioactivity of four different drugs A, B, C, D for treating a particular illness was compared in a study and the following ANOVA table was given for the data: Sum of Square Degrees of Freedom 64.42 3 Mean Square 21.47 Source Between treatments Within treatment Total 62.12 26 2.39 126.54 29 a) Use F test to test at the 0.01 level the null hypothesis that the four treatments have the same bioactivity. Compute the p value of the observed F statistic