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LSSGB: Which of the following quality tools is used to rank all categories, making apparent the vital few and the trivial many?

OPTIONS

Flow charts
Control charts
Scatter diagrams
Pareto diagrams

ANSWER

Pareto diagrams

EXPLANATION

Flow charts visually present a process showing the main steps, branches, and outcomes of that process. A scatter diagram visually displays the correlation between two or more variables. Control charts are used to detect changes in a predictable process and indicate when adjustment is necessary. Options a, b, and c are incorrect. A Pareto diagram is used to show all categories by rank, indicating the vital few and the trivial many.