In this unit students develop a variety of mathematical skills including: * Data collection and organisation, using a questionnaire about grocery stores, brand names and cell-phones.* Graphical representation of the data collected using bar graphs and pie charts.* Understanding cumulative data, as well as developing and interpreting frequency tables. * Analysis of data to answer questions, using graphs and tables.* Reading and interpreting fi gures, in the context of a newspaper report concerning skills development. * Calculating the various measures of central tendency and percentages in the context of workers and wages.* Working with range and spread of data.* Identifying distortion and manipulation of information.* Identifying patterns and trends, through working with scatterplots and broken line graphs.* Making simple predictions and comparisons.
Here you will find five different graphs and charts for you to consider. Not sure about which graph to use? Confused between bar graphs and pie charts?