# Types of Graph Relationships

Types of Graphs: Bar Graphs This type of graph is used with quantitative data. Ranges of values, called classes, are listed at the bottom, and the classes with greater frequencies have taller bars. A histogram often looks similar to a bar graph, but they are different because of the level of measurement of the data. Bar graphs measure the frequency of categorical data.

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Types of Graphs: Box and Whiskers (Boxplots) The box-and-whisker plot is an exploratory graphic, created by John W. Tukey, used to show the distribution of a dataset (at a glance). Think of the type of data you might use a histogram with, and the box-and-whisker (or box plot, for short) could probably be useful.

Types of Graphs: Frequency Distributions A type of line graph that represents a frequency distribution. similar to a histogram in that it is a graph depicting the frequency of continuous data. however, a frequency polygon is in line form instead of bar form.

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Types of Graphs: Line Graphs Inverse relationships follow a hyperbolic pattern. Below is a graph that shows the hyperbolic shape of an inverse relationship. Quadratic Relationship. A quadratic relationship between x and y means y is related to x^2 , x and a constant (C) by a function, which generally represented as: y = A x^2 + B x + C where A must be a non-zero number.

Types of Graphs: Pie Graphs There are several different types of charts and graphs. The four most common are probably line graphs, bar graphs and histograms, pie charts, and Cartesian graphs. They are generally used for, and best for, quite different things.

Types of Graphs: Scatter Graphs 56 Unit 9 Describing Relationships in Scatter Plots and Line Graphs Objectives: • To construct and interpret a scatter plot or line graph for two quantitative variables

Types of Graphs: Stemplots For this reason, a line graph is used often for tracking variables of one or more subjects in time. Time Series Graphs. Data is displayed in a time series graph at various time-points. This is another type of graph used for specific kinds of data that come in pairs. The vertical axis is for data values while the horizontal axis shows time.