Students learn how to plot and interpret various statistical diagrams ranging from pictograms and barcharts to frequency polygons and time series. Throughout the unit emphasis is place 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 introduce the sin, cos and tan trigonometric identities.
How to teach calculating the original amount after a percentage change.
The importance of the range when comparing comparing datasets.