a)What is the difference between c chart and u chart? b) The woodland paper company produces paper for the newspaper industry. As a final step in the process, the paper passes through a machine that measures various product quality characteristics. When the paper production process is in control, it averages 20 defects per roll. i) Set up a control chart for the number of defects per roll. For this example, use two sigma control limits. ii) Five rolls had the following number of defects: 16,21,17,22 and 24 respectively. Is the production process in control? c) Deming in his 14 points for management discussed about "Drive out fear" and "Eliminate management by objectives" and advocated about how these two issues are important for management. Justify it with reasons for each