This deep dive covers Types of Bar Charts within Bar Charts & Pictograms for GCSE Mathematics. Revise Bar Charts & Pictograms in Statistics for GCSE Mathematics with 11 exam-style questions and 20 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 4 of 11 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Types of Bar Charts
1. Simple Bar Chart
Shows one variable across different categories (like the example above).
2. Compound/Multiple Bar Chart
Compares two or more variables side by side. For example, comparing male and female preferences for each sport.
3. Stacked Bar Chart
Shows parts of a whole by stacking segments on top of each other within each bar.
4. Horizontal Bar Chart
Bars run horizontally instead of vertically. Useful when category names are long.
Practice questions for Bar Charts & Pictograms
In a pictogram, the key shows that one symbol represents 4 people. A row shows 3 and a half symbols. How many people does this row represent?
A bar chart comparing two companies' sales has a vertical axis starting at 900 rather than 0. Company A has sales of 950 and Company B has sales of 1000. Explain why this bar chart could be misleading.