Data and charts · Usually met around P5
Mode, median and range
From “The mode” to “Grouped frequency”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- The modeThe value seen most often: the value, not the count
- The medianSort first, then find the middle
- The rangeLargest − smallest
- Dot plotsA dot a value; the tallest column is the mode
- Kinds of dataNames: categorical. Counted: discrete. Measured: continuous
- Choosing the mean, median or modeAn outlier: the median. Categories: the mode
- Grouped frequencyEach value in one group: 129 in 120–129, 130 in the next
Practise it in the game →Mode, median and range · Free to start, unlimited questions, no downloadAll maths topics →