Cumulative Frequency

Curriculum Relevance

England

Key Stage 4

Ma4: Handling Data

• (4a) draw and produce, using paper and ICT, diagrams including cumulative frequency tables and diagrams and box plots
  
• (4e) find the median, quartiles and interquartile range for large data sets and calculate the mean for large data sets with grouped data
  
• (5b) interpret a wide range of graphs and draw conclusions
  
• (5c) look at data to find patterns and exceptions
  
• (5f) appreciate that correlation is a measure of the strength of the association between two variables; distinguish between positive and negative and zero correlation using line of best fit

Wales

Key Stages 3 and 4

Handling Data

• (1.3) construct appropriate diagrams and graphs - cumulative frequency diagrams
  
• (1.5) select and calculate or estimate appropriate measures of spread, including the range and interquartile range

Northern Ireland

Key Stages 3 and 4

Handling Data

Represent, Analyse and Interpret Data

• (d) construct cumulative frequency tables; construct cumulative frequency curves, using the upper boundary of the class interval; find the median, the upper quartile, the lower quartile and the interquartile range

Scotland

Standard Grade

Graphs and Tables

• extracting data from box plots (General Level)
  
• constructing box plots (General Level)
  
• constructing a cumulative frequency graph (General Level)

Use of Simple Statistics

• calculating the median, the quartiles and semi-quartiles range (General Level)