The frequency is how often a value occurs in an interval, while the distribution is the pattern of frequency of the variable. They are often depicted in a graph or table.

In National 4 Maths learn to calculate the mean, mode, median and range from a frequency table. Draw a pie chart and find the chance of it happening.

Learn about tallying and frequency charts with this BBC Bitesize Maths article. For students between the ages of 11 and 14.