The following data come from an experiment in which each participant has been measured under three different levels of distraction (the DV is the number of errors committed on a clerical task during a 5-minute period). Compute the one-way RM ANOVA for these data. Is the F ratio significant at the .01 level, assuming sphericity? Would this F ratio be significant at the .05 level, assuming a total lack of sphericity?

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Sub. No. Mild Moderate Strong 3 3 0. 3 4 4 3 6. 8 4 2 4 10 3 6. 11 4 4 6. 12