Worksheets and lesson plans on representing data. The topic of Statistical Diagrams from the Year 9 book of the Mathematics Enhancement Program. For information about these resources and an index for the whole collection please visit http://www.mrbartonmaths.com/CIMT.htm Keywords: Questionnaire, Analysis, Question, Biased, Unbiased, Design, Leading, Line Graph, Bar Chart, Process, Display, Conclude, Evidence, Sample, Survey, Multiple Choice, Pilot, Study, Hypothesis, Trend, Bar Chart, Pie Chart, Line Graph, Presentation, Data