In this article, we will be going through the meaning of mean, mean definition and formula for grouped and ungrouped data, properties of mean, solved examples and practice questions. Mean ...

Save guides, add subjects and pick up where you left off with your BBC account. Grouped frequency tables are a way of showing data in groups. Set up a new column to write the midpoint of each class.

Inequalities are often used in grouped tables. For example, the category \(0 \textless m \leq 4\) means that \(m\) is larger than 0 but less than or equal to 4. If data is organised into groups ...