Please help with the following Statistics question

B -We suspect that there are differences in the pl of three lakes. Fifteen pH readings are taken from each lake. The data are given in the table below. Anova Lake 1 4.3 5 4.8 4.3 5.1 4.5 4.7 4.9 4.4 5 3.8 3.8 3.5 5 4.3 Lake 2 5 4.1 5.1 5.7 5 4.7 5.4 4.4 5.3 4.5 4.3 5.2 4.6 5 4.9 Lake 3 7 6.4 6.6 6.2 7.9 6.5 6.8 7.2 7.6 7.4 7 73 67 8 7 a. Use R to verify your result. Provide the command line and output (3 marks). b. If you conclude that there are differences in pl among lakes, use R to run an appropriate follow-up statistical procedure. Provide the output and report your conclusion. Is marks