Question: Use the sample standard deviations given in Table 12.22 resulting from a singlefactor analysis of variance on five treatments to check the constant variance assumption.

Use the sample standard deviations given in Table 12.22 resulting from a singlefactor analysis of variance on five treatments to check the constant variance assumption. Is it reasonable to assume that each of the treatment groups has the same variance? Explain.

Treatment - 1 Sample SD 2.78 2345 3.41 3 3.11 4.97 5

Treatment - 1 Sample SD 2.78 2345 3.41 3 3.11 4.97 5 4.01

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