Question: Five pours of metals have had 5 core samples each analyzed for the amount of a trace element. The data for the 5 randomly selected

Five “pours” of metals have had 5 core samples each analyzed for the amount of a trace element. The data for the 5 randomly selected pours are as follows:

1. The intent is that the pours be identical. Thus, test that the

“pour” variance component is zero. Draw conclusions.

2. Show a complete ANOVA along with an estimate of the within-pour variance.

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