ITEE ITEE-1 | Page 31

●Distribution diagram A “distribution diagram” represents the number of elements that fall into each quadrant to show their distribution. For example, this graph charts the profitability of products against their sales continuity. Profitability Product C Product D Product E Continuity Product A Product B Management science method “Management science method” is the use of arithmetic methods to solve problems as they apply to business. Time-series analysis can be used to predict future sales by analyzing past product sales trends, while portfolio analysis and investment-calculation models can be used to make decisions. ●Portfolio A “portfolio” is a graph that represents distributions. For example, in the graph shown here, each area visually represents sales volume and market share. Sales volume Reference Area B Area C Area A Area D Market share ●Gantt chart A “Gantt chart” indicates by horizontal bars to represent work schedules and results. The horizontal axis is marked to indicate hours, days, months, etc., and individual tasks or projects are stacked vertically. 1 Plan Design Operation 25 2 3 4 5 6 7 8 (week )