8. What are reasons for performing sampling in industry? Select three. a. It is an efficient and effective way to ensure quality of products b. It prevents bias and other factors that can affect statistical data c. Inspecting or testing each and every part to ensure its quality is often too costly d. Inspecting or testing each and every part to ensure its quality can be impossible, as is the case with destructive testing e. It provides a statistical measurement of the maximum number of defective goods considered acceptable9. The most widely adopted Six Sigma methodology is the: a. 4Ms and E b. PDCA cycle c. Value stream mapping d. DMAIC model