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Activity 3 Drawing graphs

  1. Construct a column graph and a bar graph for the data given below for Australian iron ore exports.

    Country Value (A$ billion)
    China 6
    Japan 3
    Republic of Korea 1
    Taiwan 1
    Rest of the world 1


  2. The table below shows the temperature inside a heat treatment furnace, over an 8-hour period. Construct a line graph to illustrate this information.

    Time (hours) 1 2 3 4 5 6 7 8
    Temperature (0C) 300 500 650 700 800 800 800 650


  3. Complete a scatter graph of the information in the data table below. It gives information about a company’s steel production over eight years.

    Draw a line of best fit on the scatter graph so you can make a   prediction of their likely steel production in 2008.

    Year 1999 2000 2001 2002 2003 2004 2005 2006
    Steel Production
    (millions tonnes)    		 3.6 3.9 4.3 4.7 5.0 5.5 5.9 6.4

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