The following data were obtained from an independent-measures research study comparing three treatment conditions. Use an ANOVA with α = 0.05 to determine whether there are any significant mean differences among the treatments.
I II III
2 5 7 N = 14
5 2 3 G = 42
0 1 6 ∑X2 = 182
1 2 4
T = 12 T = 10 T = 20
SS = 14 SS = 9 SS = 10
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