mean definition and formula for grouped and ungrouped data, properties of mean, solved examples and practice questions. Mean Definition: What is Mean? Mean Definition: According to NCERT textbook ...

A grouped frequency table is a way of presenting data in groups called classes close class A group created to contain a set of data. For example, the class 10 < 𝒙 < 20 contains values of 𝒙 ...

Grouped frequency tables are a way of showing data ... mean cannot be calculated, so an estimate for the mean is calculated instead. Assume each length is in the middle of its group. For example ...