2. Advanced Micro Devices is an electronics manufacturing company that produces different IC packages. For the last quarter of the 40 Lead ceramics package, the rejection level is going beyond the acceptable limit. For cases like this, it is required that the QA should conduct investigation. Upon analysis, the quality assurance found out that 450 pcs are having scratches due to machine issues while 200 pcs have dent leads which is caused by carelessness of workers when putting them inside the antistatic tubes. 250 are are having stamping problem due to the substandard ink issued by the Materials Control while 100 pcs have been contaminated due to poor housekeeping in the area. There are 25 pieces are rejected to failure in the cold testing test of which the process has to be corrected. What tool will you use to analyze the situation?