Can you help me to solve the anova problem?

Thanks.

7. (6) According to the following data summary, compute the following confidence interval. Group group mean n 1 25 108 2 46 103 3 18 152 4 62 77 MSE 100 a) (3) The difference on the average Y in region 1 and 2 and in region 3 and 4, i.e., b) (3) The simultaneous confidence interval for the differences of the following: M1 - H2, M1 - M3, H2 - M3