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а.How many treatments are there? How many replications for each treatment? b.State the null and alternative hypothesis for the average Fe percentage for any of thefour iron formations. Construct the

ANOVA table using the summary statistics provided below. (You canalso use R software. The dataset "iron" is on blackboard.)C. d.Make a decision about the test and interpret. Do the following diagnostic plots suggest that the model assumptions areinappropriate? Justify each assumption separately.е.

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