1Rnwb schrieb:
Thanks for the help, but ANOVA will give me a single pvalue, then how i can
make sure which group is showing the significant differences.

Hi,

ANOVA is fine and please have a look on ?TukeyHSD and don't forget to consult your statistics textbook about post-hoc testing. If you insist in using t.test, don't forget Bonferroni or Holm-correction (in R: ?p.adjust) or use ?pairwise.t.test !!!

ThPe

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