A lesson that outlines all the different types of data. When it is best to use each type and whether these types of data would be considered valid/reliable?

A lesson covering the methods used for finding the different types of averages and the range for un-grouped data. The lesson then goes on the cover more problem solving questions that require students to work backwards with the averages to work out the missing data. Or methods for using reverse mean.

A lesson focusing on strategies for finding averages for data sets which are grouped in a table. Modal class, Median class and estimating the mean.

Used for KS4 introduction to statistics lesson. Defines the words needed to understand concepts of sampling and data collection strategies.