Specification points
Edexcel GCSE Statistics 1ST0
91 points in 5 topics, with Edexcel's codes and titles.
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
SEC Statistical enquiry cycle
1 The collection of data
- 1a Planning
- 1a.01 Testing hypotheses by collecting data
- 1a.02 Constraints in designing an investigation
- 1a.03 Mitigating issues in the enquiry process
- 1b Types of data
- 1b.01 Terms for describing types of data
- 1b.02 Merging and grouping data
- 1b.03 Explanatory and response variables
- 1b.04 Primary and secondary data
- 1c Population and sampling
- 1c.01 Population, sampling frame and sample
- 1c.02 Meanings of population
- 1c.03 Judgement and opportunity sampling
- 1c.04 Sampling techniques to avoid bias
- 1c.05 Simple random samples
- 1c.06 Stratification
- 1d Collecting data
- 1d.01 Sources and methods of data collection
- 1d.02 Reliability and validity of data
- 1d.03 Factors leading to bias
- 1d.04 Planning data collection
- 1d.05 Dealing with problems in collected data
- 1d.06 Cleaning data
- 1d.07 Extraneous variables and control groups
2 Processing, representing and analysing data
- 2a Tabulation, diagrams and representation
- 2a.01 Pictorial representations of data
- 2a.02 Interpreting pictorial representations
- 2a.03 Graphical representations of data
- 2a.04 Histograms and frequency density
- 2a.05 Choosing and producing data visualisations
- 2a.06 Graphical misrepresentation
- 2a.07 Comparing data in different formats
- 2a.08 Selecting forms of representation
- 2a.09 Skewness
- 2a.10 Interpreting skewness
- 2b Measures of central tendency
- 2b.01 Averages
- 2b.02 Choosing an average
- 2b.03 Comparing data sets by averages
- 2c Measures of dispersion
- 2c.01 Measures of spread
- 2c.02 Identifying outliers
- 2c.03 Commenting on outliers
- 2c.04 Comparing data sets by spread
- 2c.05 Comparing distributions using averages and spread
- 2c.06 Standardised scores
- 2d Further summary statistics
- 2d.01 Index numbers
- 2d.02 Rates of change over time
- 2e Scatter diagrams and correlation
- 2e.01 Vocabulary of correlation
- 2e.02 Strength of correlation by inspection
- 2e.03 Correlation and causation
- 2e.04 Lines of best fit
- 2e.05 Calculating Spearman's rank correlation
- 2e.06 Interpreting Spearman's rank correlation
- 2e.07 Interpreting the product moment correlation coefficient
- 2e.08 Spearman's rank versus product moment correlation
- 2f Time series
- 2f.01 Trends and moving averages
- 2f.02 Seasonal and cyclic trends
- 2g Quality assurance
- 2g.01 Distribution of sample means
- 2g.02 Quality assurance: action and warning lines
- 2h Estimation
- 2h.01 Estimating population characteristics from samples
- 2h.02 Petersen capture-recapture
- 2h.03 Sample size, reliability and replication
3 Probability
- 3p.01 Estimating probabilities from data
- 3p.02 Comparing probabilities and likelihood
- 3p.03 Expected frequency
- 3p.04 Relative and absolute risk
- 3p.05 Experimental versus theoretical results and bias
- 3p.06 Experimental probability tending to theoretical
- 3p.07 Representing outcomes: tables, trees and Venn diagrams
- 3p.08 Notation for independent events
- 3p.09 Notation for conditional probability
- 3p.10 Experimental and theoretical values and bias
- 3p.11 Characteristics of a binomial distribution
- 3p.12 Characteristics of a normal distribution
- 3p.13 Unusual values in a normal distribution