QUESTION 6 [19] - GA1 (19 Analyse, evaluate \& select solution). 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 standardised test provided by Qualiparts, as provided in the data in the table below. Use the single factor ANOVA Excel tool to determine if there is a significant difference between the strength scores of the four contractors at the 5 percent level. (19) QUESTION 6 [19] - GA1 (19 Analyse, evaluate \& select solution). 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 standardised test provided by Qualiparts, as provided in the data in the table below. Use the single factor ANOVA Excel tool to determine if there is a significant difference between the strength scores of the four contractors at the 5 percent level. (19)