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1.The following data were obtained from an independent-measures research study comparing three treatment conditions. Treatment I II II n = 6 n = 6 n

1.The following data were obtained from an independent-measures research study comparing three treatment conditions.

Treatment

I II II

n = 6 n = 6 n = 6 N = 18

M = 1 M = 2 M = 6 G = 54

SS = 120 SS = 130 SS = 80 X2 = 576

a.Calculate the sample variance for each of the three samples

b. Use an ANOVA with = .05 to determine whether there are any significant differences among the three means. Clearly state your decision

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