Clue: The Pareto diagram is part of this week's topic coverage, and probably is the most important diagram among the ones covered. Learn how this is used and there are several examples available from the lecture video and practice problems. 1. Approximately what % of all errors is caused by Duplicate Order Entry? 2. Approximately what % of all errors is caused by Order Not Received? 3. Which categories of errors account for approximately 65% of all errors? 4. Which categories of errors account for approximately 85 % of allerrors?