# 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