## What type of data is used in a bar chart?

Bar charts are useful for displaying data that are classified into nominal or ordinal categories.

Nominal data are categorised according to descriptive or qualitative information such as county of birth, or subject studied at university..

## What type of data is used for line graphs?

Line graphs are usually used to show time series data – that is how one or more variables vary over a continuous period of time. Typical examples of the types of data that can be presented using line graphs are monthly rainfall and annual unemployment rates.

## How is a bar graph used to show data?

Bar graphs are used to display data in a similar way to line graphs. They clearly show trends in data, meaning that they show how one variable is affected as the other rises or falls. … Given one variable, the value of the other can be easily determined.

## When would you use a bar graph to represent data?

Bar graphs are ideal for comparing two or more values, or values over time. Data is displayed either horizontally or vertically. Single bar graphs are used to convey discrete values of an item within a category. For instance, a bar graph could display the number of males with a certain trait for specific ages.

## How is a bar chart different from a histogram?

Histograms are used to show distributions of variables while bar charts are used to compare variables. Histograms plot quantitative data with ranges of the data grouped into bins or intervals while bar charts plot categorical data. … Note that it does not make sense to rearrange the bars of a histogram.

## Is a bar graph qualitative or quantitative?

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.