histogram
Histogram (noun) means a histogram is a chart that shows numerical data as a series of upright bars, where the size of each bar's area represents how often values in that range occur. Example: “The teacher drew a histogram to show how the class's test scores were spread out.”
How to use histogram
Learner’s notesIn plain EnglishA histogram is a bar chart that shows how data is spread across different ranges of values.
Histogram is a standard term in statistics, maths and data analysis.
Picture the bars of a histogram as counting how many results fall into each range, not as separate labeled categories.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The teacher drew a _____ to show how the class's test scores were spread out.
Etymology
The word likely combines an Ancient Greek term for a mast or upright post with another Greek element meaning something written or drawn, reflecting the upright bars of the chart. It was coined in 1891 by the English mathematician Karl Pearson.