![]() The word " graph" was first used in this sense by J.J.Graphs are the basic subject studied by graph theory.This latter type of graph is called a directed graph and the edges are called directed edges or arcs.Vertices are also called nodes or points, and edges are also called lines or arcs.Graphs are one of the objects of study in discrete mathematics.A graph is a representation of a set of objects where some pairs of the objects are connected by links.Although the data show the number unemployed, Fox News' graph is titled "Job Loss by Quarter.".First, the title of the graph is misleading.There are major flaws with the Fox News graph.Does Fox News' line graph provide misleading information?.Fox News aired the line graph below showing the number unemployed during four quarters between 20.In this chapter, we will briefly look at stem-and-leaf plots, line graphs and bar graphs.Some of the types of graphs that are used to summarize and organize data are the dot plot, the bar chart, the histogram, the stem-and-leaf plot, the frequency polygon (a type of broken line graph), pie charts, and the boxplot.Statisticians often graph data first to get a picture of the data.Newspapers and the Internet use graphs to show trends and to enable readers to compare facts and figures quickly.A statistical graph is a tool that helps you learn about the shape or distribution of a sample.A truncated graph has a y-axis that does not start at 0.In statistics, these types of graphs are called misleading graphs (or distorted graphs). ![]()
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