Step 4 Objective
Solve a problem by representing, extracting and interpreting data in tables, graphs and charts. Calculate statistics for small sets of discrete data:
- Find the mode, median and range;
- Calculate the mean in simple cases.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Examples of what pupils should know and be able to do
Use the mode and range in context in order to answer a question or problem. Use these to compare two sets of data. Interpret a comparative bar chart with up to two sets of data.
- Earnings - Rtf (rich text format) document (648Kb)
- FTM(P) Y456 p. 115 - Acrobat pdf document (40Kb)
- FTM(P) Y456 p. 117 - Acrobat pdf document (40Kb)
In an ice-skating competition the following scores were given: 3, 5, 5, 4, 4, 3; find the mean and range of this set of data.
Given a frequency table of the number of children in families, work out the mean number of children per family.