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How do I know what type of graph to use?
Bar charts are good for comparisons, while line charts work better for trends. Scatter plot charts are good for relationships and distributions, but pie charts should be used only for simple compositions — never for comparisons or distributions.You would use:

  1. Bar graphs to show numbers that are independent of each other.
  2. Pie charts to show you how a whole is divided into different parts.
  3. Line graphs show you how numbers have changed over time.
  4. Cartesian graphs have numbers on both axes, which therefore allow you to show how changes in one thing affect another.

It is crucial to choose the correct graph type based on the kind of data to be presented. If the independent and dependent variables are numeric, use line diagrams or scattergrams; if only the dependent variable is numeric, use bar graphs; for proportions, use bar graphs or pie charts.

How do you know which graph or chart to use : Donut and pie charts are great choices to show composition when simple proportions are useful. Area charts put the composition of data within the context of trends over time. Stacked bar, percent, and column charts show an overview of the data's composition.

What type of graph should I draw

Different data types require different charts. Some types of data are incompatible with certain types of charts. If you have continuous data, you need a line chart, area chart, or scatter plot. If you have categorical data, you need a bar graph or pie chart.

What graph is best for plotting scientific data : Line graphs are the best type of graph to use when you are displaying a change in something over a continuous range. For example, you could use a line graph to display a change in temperature over time. Time is a continuous variable because it can have any value between two given measurements.

A simple graph is a graph that does not have more than one edge between any two vertices and no edge starts and ends at the same vertex. In other words a simple graph is a graph without loops and multiple edges.

Bar graphs probably the most versatile way of displaying population data. They are often used to show population growth over time but they can also show things such as the relative proportions of different groups in the society or they may be used to compare populations of different places.

What graph type is most appropriate for each type of data

The type of graph or chart used to visualize data is determined by the type of data being represented. A pie chart or bar chart is typically used for nominal data and a bar chart for ordinal data. For quantitative data, we typically use a histogram for discrete data and a line graph for continuous data.Different types of graphs

  • Line graph. Line graphs illustrate how related data changes over a specific period of time.
  • Bar graph. Bar graphs offer a simple way to compare numeric values of any kind, including inventories, group sizes and financial predictions.
  • Pictograph.
  • Histogram.
  • Area graph.
  • Scatter plot.

If a vertical line drawn anywhere on the graph of a relation only intersects the graph at one point, then that graph represents a function.

Sometimes a line chart just won't be the best way to visualize the data. If you are working with data that is not numeric, you will probably want to use a bar chart instead. If you want to look at categories of any kind, even if the data is numeric, a bar chart is a great solution.

What is the easiest graph to use : Bar Graphs

The simplest and most straightforward way to compare various categories is the classic bar graph. The universally-recognized graph features a series of bars of varying lengths. One axis of a bar graph features the categories being compared, while the other axis represents the value of each.

What is the easiest graph to read : Bar charts are great for comparison. The differences in bar length are easier to perceive, than, for example, differences in size and color. Bar charts are commonly used charts due to their simplicity. Viewers mostly need to decode their bars' length and position, making bar charts very easy to understand.

How to choose a visualization

How to Choose the Right Visualizations

  1. Tabular format is best used when exact quantities of numbers must be known.
  2. Line charts are best used when trying to visualize continuous data over time.
  3. Bar charts are best used when showing comparisons between categories.
  4. Pie charts are best used to compare parts to the whole.


Pie charts and bar graphs are used for qualitative data. Histograms (similar to bar graphs) are used for quantitative data. Line graphs are used for quantitative data. Scatter graphs are used for quantitative data.That is, the degree of one of the vertex is seven and hence there is an edge from that vertex to all other vertices. (2) There is a vertex of degree of six. Even without drawing the remaining edges, we see that the degree of seven vertices is at least two. Hence there is no graph with degree sequence (1,1,3,3,3,4,6,7).

What is the most common graph to use : 1. Bar chart. A bar chart, also known as a horizontal column chart, is popular for a reason — it's easy on the eyes and quickly visualizes data sets. With bar charts, you can quickly identify which bar is the highest or the lowest, including the incremental differences between bars.