Data Handling is first taught in primary school. In fact, my daughter who is in year 3 (1st year of junior school) has done a survey by counting different type of transport (cars, van, motorbike etc) at a traffic lights and drawing a bar chart using the data.
In the key objectives for the Year 3 the DfEE (1999) (Framework p3) states that, "Solve a given problem by organizing and interpreting numerical data in simple lists, tables and graphs". In year 4 they are taught the vocabulary of data handling, such as survey, questionnaire, data, tally charts ..etc. They will also look at and create graphs like bar and pictogram - where the symbol represents several units - in details. This theme of work is then continued in year 5, 6 and onwards.
The handling of data is an established part of the National Curriculum at all key stages. It makes up a significant part of the curriculum and also a regular feature in the exams. Handling data also appears in the other cross-curricular subjects such as ICT, History and Geography and many more.
According to the National Curriculum, students should be taught all four phases of the data ...