11. Representing and Interpreting Data Talk About


In this chapter we are going to investigate different ways in which data (information) can be presented.


Graphs and charts are an effective way of presenting data.


Pictograms Pictograms use pictures to represent data. 1.


a) What information is being presented in this pictogram?


b) How many children were included in this survey? c) What was the least popular pet? d) What was the most popular pet? e) How many children own a dog? f) How many children own either a cat or a fish? g) How many more children own a dog than own a fish? h) How many children do not own a cat? i) What fraction of the class do not own a pet? j) What fraction of the class owns a fish?


Strand: Data 70


Curriculum Objectives: Collect, organise and represent data using pictograms, block graphs, bar charts, bar line graphs; read and interpret bar line graphs and simple pie charts; use data sets to solve and complete practical tasks and problems.


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