From Table 5.2 in the case study, what can you conclude, given the F values and the p-values in the table? What steps should the team take regarding use of vendors and further testing for this particular independent variable?

Data from in Table 5.2

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Solder Skips, Analysis All Two-Way Analysis of Variance Analysis of Variance for Wave Solder Skips Source DF Vendors 2 Finish 2 Interaction 4 Error 279 Total 287 Process Variable Averages Manufacturers Vendor C Vendor D Vendor G Finish HASL Ni-Au Silver SS 36.55 16.44 23.39 333.94 410.32 MS 18.27 8.22 5.85 1.20 Mean Number of Defects 0.03 0.80 0.06 0.271 0.021 0.604 F 15.27 6.87 4.89 P 0.000 0.001 0.001