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Charts and graphs are common data presentations in the UCAT Quantitative Reasoning subtest. This lesson covers the skills needed to read values accurately, identify trends, make comparisons, and avoid the most common misreading errors.
Bar charts use rectangular bars to represent values. The length or height of each bar is proportional to the value it represents.
| Type | Description | What to Watch For |
|---|---|---|
| Simple | One bar per category | Read values from the top of each bar |
| Grouped | Multiple bars per category (side by side) | Distinguish between the bars using the legend |
| Stacked | Multiple segments stacked on top of each other | Each segment shows a partial value; the total is the full bar height |
| Horizontal | Bars go left to right instead of bottom to top | Read values from the right end of each bar |
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