Students learn how to plot and interpret various statistical diagrams ranging from pictograms and bar charts to frequency polygons and time series. Throughout the unit, emphasis is placed on interpreting the diagrams as much as it is plotting them.
This unit takes place in Year 9 Term 1 and is followed by calculating statistical measures such as averages and range.
interpret and construct
for categorical data.
and know their appropriate use.
How to find the area of a sector as a fraction of a full circle.