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You can choose the data to be graphed immediately from a list of existing real world data sets, you can obtain additional data from more datasets (see instructions below), or you can choose "My Data" and enter your own data points at the bottom of the applet. The histogram will look something like the image below. The height of each bar corresponds to the number of data points in the bin represented by that bar. The scrollbar below the histogram allows you to change the bin size. A label below the scrollbar displays the current bin size. Clicking the Update Histogram button redraws the histogram. You can change the values displayed on the vertical axis by setting the Minimum Frequency on Histogram and Maximum Frequency on Histogram. Click the Update Histogram button to make changes to these values take effect.

This applet must now be run directly from the original hoster's web site. Please click the link below to open the page in a new window or tab:

Histogram Applet

From a collection of Java statistics applets from the Project
Interactive, Shodor Educational Foundation
site at Durham, North Carolina, USA, used with permission.

## Glossary

### axis

One of two straight lines on a graph from which measurements are taken. One axis (the y axis) is vertical; the other (the x axis) is horizontal.

### frequency

Of a function: the rate of repetition of a periodic function.
In statistics: the number of occurances of a value

### histogram

A statistical diagram for continuous data similar to a bar chart but where the area of each bar is proportional to the frequency.

Full Glossary List

## This question appears in the following syllabi:

SyllabusModuleSectionTopicExam Year
AQA A-Level (UK - Pre-2017)S1Summarising dataRepresentation-
AQA AS Maths 2017StatisticsData Presentation and InterpretationFurther Charts-
AQA AS/A2 Maths 2017StatisticsData Presentation and InterpretationFurther Charts-
CCEA A-Level (NI)S1Summarising dataRepresentation-
CIE A-Level (UK)S1Summarising dataRepresentation-
Edexcel A-Level (UK - Pre-2017)S1Summarising dataRepresentation-
Edexcel AS Maths 2017StatisticsData Presentation and InterpretationFurther Charts-
Edexcel AS/A2 Maths 2017StatisticsData Presentation and InterpretationFurther Charts-
I.B. Higher Level5Summarising dataRepresentation-
I.B. Standard Level5Summarising dataRepresentation-
Methods (UK)M14Summarising dataRepresentation-
I.B. (MSSL)6Summarising dataRepresentation-
OCR A-Level (UK - Pre-2017)S1Summarising dataRepresentation-
OCR AS Maths 2017StatisticsWorking with DataFurther Charts-
OCR MEI AS Maths 2017StatisticsWorking with DataFurther Charts-
OCR-MEI A-Level (UK - Pre-2017)S1Summarising dataRepresentation-
Pre-U A-Level (UK)ProbSummarising dataRepresentation-