![]() ![]() What is needed is an understanding of the concept and the resulting data, and how to interpret it correctly. Microsoft Excel and other software packages can do the computations needed to create the diagram. For example, a simple scatterplot could be used to determine if there is a linear relationship between lawyers salaries and the number of years they have. Scatter Diagram ExamplesĪ background in statistics is not required to use scatter diagrams. Additionally, being able to interpret scatter diagrams for the PMP exam enhances overall project management skillsets for work settings. A scatter diagram is a tool for showing the relationship between two variables (for example, speed and gas consumption, or hours worked and production output). A Scatter diagram can be used to find out the correlation between the variables. The Project Management Institute® (PMI) provides a PMP exam reference list although there is not a specific scatter diagram example for the PMP exam, a general understanding of this tool is expected. (The data is plotted on the graph as 'Cartesian (x,y) Coordinates') Example: The local ice cream shop keeps track of how much ice cream they sell versus the noon temperature on that day. In this example, each dot shows one person's weight versus their height. Scenario questions may require the future PMP holder to interpret data in scatter diagrams or select the best quality tool to use in a specific situation. A Scatter (XY) Plot has points that show the relationship between two sets of data. Scatter Plots (also called scatter diagrams) are used to investigate the. listing the Seven Quality Tools, including scatter diagrams This scatter plot, or scatter diagram, shows a positive correlation, i.e.recognizing a visual depiction of the relationship between two variables.knowing the definition of the term (6 th edition of the PMBOK® Guide),.For the PMP exam, project managers should know about scatter diagrams, including: Although these scatter plots cannot prove that one variable causes a change in the other, they do indicate, where relevant, the existence of a relationship, as. It is important to know what scatter diagrams are in PMP terms as part of the exam preparation process. ![]()
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