Higher Statistics
Collection of Data
| Topic | Notes | ||
|---|---|---|---|
| Describing Data | CIMT notes, revision card | ||
| Grouping Data | CIMT notes | ||
| Primary & Secondary data | CIMT notes | ||
| Populations | |||
| Petersen Capture-recapture | revision card | worksheet | |
| Random Sampling | |||
| Non-random sampling | S1 notes | exam questions | |
| Stratified Sampling | exam questions | ||
| Collection of data | |||
| Questionnaires and interviews | exam questions | ||
| Problems with collected data | |||
| Controlling extraneous variables | |||
| Hypotheses | exam questions | ||
| Designing Investigations |
Processsing and representing data
| Topic | Notes | ||
|---|---|---|---|
| Tables | |||
| Two-way tables | |||
| Pictograms | CIMT notes | ||
| Bar Charts | |||
| Stem and Leaf diagrams | |||
| Pie Charts | |||
| Comparative Pie Charts | |||
| Population Pyramids | CIMT notes | ||
| Choropleth maps | CIMT notes | ||
| Histograms and frequency polygons | worksheet | video 1 | |
| Cumulative frequency charts | CIMT notes | ||
| Shape of a distribution | |||
| Histograms with unequal class widths | |||
| Misleading diagrams |
Summarising data
| Topic | Notes | ||
|---|---|---|---|
| Averages | |||
| Averages from frequency tables | |||
| Averages from grouped data | |||
| Transforming data | |||
| Geometric mean and weighted mean | CIMT notes | ||
| Measures of dispersion for discrete data | |||
| Measures of dispersion for grouped data | |||
| Standard Deviation | |||
| Box plots and outliers | CIMT notes | ||
| Skewness | |||
| Deciding which average to use | |||
| Comparing data sets | |||
| Making Estimates |
Scatter diagrams and correlation
| Topic | Notes | ||
|---|---|---|---|
| Scatter Diagrams | CIMT notes | ||
| Correlation | CIMT notes | ||
| Causal relationships | |||
| Line of best fit | CIMT notes | ||
| Interpolation and Extrapolation | CIMT notes | ||
| The equation of a line of best fit | CIMT notes | ||
| Spearman’s rank correlation coefficient | CIMT notes | ||
| Calculating Spearman’s rank correlation coefficient | CIMT notes | worksheet (ans) | |
| Pearson’s product moment correlation coefficient | worksheet |
Time series
| Topic | Notes | ||
|---|---|---|---|
| Line graphs and time series | folder | ||
| Trend lines | |||
| Variations in a time series | |||
| Moving averages | worksheet (ans) | ||
| Estimating seasonal variations and making predictions |
Probability
| Topic | Notes | ||
|---|---|---|---|
| CIMT notes | exam questions general questions | ||
| Experimental probability | |||
| Using probability to assess risk | |||
| Sample space diagrams | |||
| Venn diagrams | |||
| Mutually exclusive and exhaustive events | |||
| The general addition law | |||
| Independent events | |||
| Tree diagrams | |||
| Conditional probability | Dr Frost PPT | worksheet | |
| The formula for conditional probability |
Index Numbers
| Topic | Notes | ||
|---|---|---|---|
| Index numbers | CIMT notes | worksheet (ans) | |
| RPI, CPI, GDP | worksheet (ans) | ||
| Chain base index numbers | |||
| Rates of change | CIMT notes |
Probability Distributions
| Topic | Notes | ||
|---|---|---|---|
| Binomial distributions | CIMT notes | worksheet (ans) | video 1, 2, |
| Normal distributions | worksheet (ans) | ||
| Standardised scores | CIMT notes | worksheet (ans) | |
| Quality assurance and control charts | CIMT notes | worksheet (ans) |
LINKS
- Edexcel Textbook (login required)
- Mr Foote’s Higher Revision Cards – (print double sided)
- Miss Marcer’s Foundation Revision Cards – (print double sided)
- Mr Foote’s AO3 Practice Questions (the big wordy ones) answers
- MrMaths Stats Revision Guide
- GCSE Stats Revision notes
- More revision notes
- Topic Sheets Mark Schemes
- Questions for you to have a go at with answers to check
Some grade D/C questions to try (non calc) - MrBarton Stats Guide