The process engineer at Sival Electronics was trying to determine whether three suppliers would be equally capable of supplying the mounting boards for the new "gold plated" components that she was testing. The table found in the worksheet Problem 13 in the Excel workbook shows the coded defect levels for the suppliers, according to the finishes that were tested. Lower defect levels are preferable to higher levels. Using ANOVA, analyze these results. What conclusion can be reached?

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