"Using Control Charts to improve Suppliers' Processes, outlines how control charts were instrumental in helping a company work with two of their suppliers to help them eliminate problems, one problem being the mean was off centre and the other problem with variability. Discuss how the use of control charts has had an impact on your realm of work. If you have not used control charts in your realm of work, discuss how you believe the use of control charts could have a positive impact if they were to be used. please give a brief explanation