1. A psychologist is studying the effects of noise on concentration. The scores below are the number of errors made on a basic vocabulary test under varying noise levels. Conduct a one-way ANOVA using an a = .05. Follow up with Tukey's HSD. Quiet (X1) Low noise (X2) Moderate noise (X2) Loud noise (X,) 3 4 6 1 2 4 1 2 2 4 1 1 2

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