Hello everyone, I have multiple groups - each one different from the others. All groups are exposed to one chemical. For each group, I have derived a number that denotes the number of milligrams per liter of the chemical that takes to be toxic to that group. The number has a 95% confidence interval, and is the aggregate of multiple testing replicates. Group A is the "standard" - the wild type. The other groups have been altered genetically in specific ways (to see whether a given gene is involved in the toxicity). Here are sample numbers (95% CI in parentheses): Group A = 13,607 (10,302 - 20,338) Group B = 12,222 (8,251 - 27,120) Group C = 16,912 (11,232 - 28,327) How can I run a procedure that will tell me whether Group B is statistically different from Group A? That Group C is statistically different from Group A? I guess I mean one-way ANOVA. Could you suggest what code I would run? I am using SAS 9.3. Many thanks! "Peppy"
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