Which of the following statements about a Pareto chart is correct? (A) A Pareto chart is best used at the end of a project to summarize the results of the project over time. (B The use of Pareto charts is not appropriate for quality improvement projects. (C Pareto charts are based on the principle that 80% of resources are consumed by 20% of a population. (D Pareto charts are used to find the run chart median score