Transcription of Unit 3: Data representation
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Unit 3: Data representation
Module 6: Unit 3 Data representation57 Unit 3: Data representationIntroduction to Unit 3In this unit you will look at different ways to represent data in tables, charts,graphs and diagrams. The emphasis is not on the techniques to produce theserepresentations, but on the question of whether or not the representation bestrepresents the of Unit 3 The aim of this unit is to look at a variety of ways to represent data and tocompare these for the best representation of the data given. The unit willlook at : frequency tables, pictograms, bar charts, line bar charts, histograms,pie charts, line graphs, frequency polygons, stem-leaf plots, scatter the end of this unit you should be able to: organise data describe data read and interpret displays of data construct appropriate displays of data: frequency table, pictogram, barchart, line bar chart, histogram, pie chart, line graph, frequency polygon,stem-leaf plots, scatter plots justify the choice of display used for given data critically analyse data displays state common pupil errors in data representation illustrate methods to misrepresent data use appropriate project work in the classroom to assist the pupils in theirlearning of data representationTimeTo study this unit will take you about 10 6: Unit 3 Data representation58 Unit 3: Data repr
In cases where bars of the same width are considered the histogram becomes a bar graph, but the bars ... (Section D2) • Histograms (Section D3) • Pie charts (Section D4) ... Different notations for the classes are in use, 1 - 20 standing for heights from 1 to 20 both inclusive in the above case. Also the notation [1, 20] or 1 ≤ height ≤ ...
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