Improve your graphical skills - AQA The differences between line graphs, bar charts and histograms Graphs, charts and maps can be used to show geographical information.

Learn how to draw and understand information presented by a line graph with this interactive guide by BBC Bitesize for KS2 pupils.

Biological significance Biological significance addresses the question of whether the statistical difference actually means anything in terms of a real outcome, like a disease.

Check out our chart to see the average calories burned for males and females, other health benefits, tips to get standing, and more.

During a talk at this year's TED conference in Vancouver, Little cited research suggesting that there is a significant difference in the amount of sex that introverts have compared to extroverts.