In a completely randomized design, seven experimental units were used for each of the three levels of the factor. Complete the following ANOVA table: Source of Variation Sum of Squares Degree of Freedom Mean Square F p-value Treatments 320         Error           Total 420 20                     a) What hypotheses are implied in the problem? b) At the α = .05 level of significance, can we reject the null hypothesis in part? Explain.

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