# 10 Common Mistakes Found on Graphs

- No title on graph
- Source of data not given
- Pictograph - no key
- Scales are interrupted
- Scales are not labelled
- Symbols in pictographs not same size or equally spaced on graph
- Use of 2 or 3 dimensional objects to compare data (area/volume)
- Scales do not start at zero
- Numbers on axis (vertical or horizontal) not equally spaced
- Scale is selected to produce desired result