The related data values used in creating a chart are called a data series. Different types of graphs such as stem-and-leaf plots, line graphs, and bar graphs are used for specific purposes, such as showing data distribution, trends over time, and category comparisons.
The related data values used in creating a chart are called a data series. This is the set of values that are plotted in the chart, and it's what gives the chart its meaning and purpose. For example, in a line graph, a data series could represent the monthly sales of a company over a year, showing trends and changes over time.
When creating any type of graph, it's important to consider various factors that can affect the interpretation of the data, such as the inclusion of certain data points, time frames, and the way data groups are classified. These decisions can greatly influence the viewer's understanding of the data series represented in the graph.
Three common types of graphs include stem-and-leaf plots, line graphs, and bar graphs. Stem-and-leaf plots display all data values within a class and are helpful for visualizing the distribution of data. Line graphs represent changes over time and are useful for identifying trends in data sets. Bar graphs show comparisons among different categories and are particularly effective when dealing with categorical data.