Qualiparts, a supplier of parts to the auto industry, wants to test to determine if the strength of wire used to make alternators is significantly higher for any of four potential subcontractors. The four subcontractors agreed to submit sample information from 10 samples, using a standardized test provided by Qualiparts. A single factor ANOVA tool is used to determine if there is a significant difference between the strength scores of the four contractors at the 95 percent confidence level. The following is the ANOVA results. Is there a significant difference between the strength scores of the four contractors?