GCSE Statistics Overview
•2 exam papers – no controlled assessments
•1 hour 30 mins each
•Equally weighted – each paper is worth 50%
•80 marks each
•Calculators may be used in both exams.
The papers contains short response, medium response and extended response questions
Both papers focus on the same content and skills.
This gives students and teachers an opportunity after the first paper to reflect on the areas they need to work on in order to strengthen performance in the second paper.
Range of Content:
1.The Collection of Data
2.Processing, Representing and Analysing Data (Graphs and Calculations)
Topics in blue are also taught in maths.
Topics in red are specific to GCSE Statistics.
Data Collection – types of data, populations and sampling, hypotheses and designing investigations
Representing and Processing Data – frequency tables, two way tables, bar charts, pie charts, stem and leaf diagrams, cumulative frequency diagrams, box plots, histograms, population pyramids, line graphs, choropleth maps.
Summarising data – measures of central tendency and dispersion (mean, median, mode, index numbers, ranges, quartiles, percentiles, variance, standard deviation, standardised scores).
Scatter diagrams and Correlation - Line of best fit, regression line, interpolation and extrapolation
Time series and moving averages
Probability - sample space diagrams, tree diagrams, Venn diagrams, independent events, conditional probability.
(taken from Edexcel GCSE Statistics (9-1) specification)