Analysing grouped frequency tables
When data is grouped into classes – like height ranges or
Statistics
Statistics is about collecting, displaying, interpreting and comparing data. In GCSE maths, students need to do more than calculate an average or draw a chart: they also need to explain what the data shows and choose suitable methods. These worksheets help students practise reading information carefully, using diagrams accurately and comparing distributions in a meaningful way.
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Analysing frequency tables
When you're looking at a big set of
Frequency trees
Frequency trees help you sort and count information in a
Stem and leaf diagrams
Stem and leaf diagrams are a handy way to organise
Angles on pie charts
Pie charts are a great way to show how something
Interquartile range
The **interquartile range (IQR)** measures the spread of the middle
Stratified sampling
Stratified sampling is a method used in statistics to ensure
Capture recapture
Estimating total populations using the **capture-recapture** method is a
Find a missing value using the mean
Imagine you're planning a group trip and need
Calculating the range
The range is a measure of how spread out a