$42.08

# AQA GCSE Statistics

By Shaun Procter-Green, L Bostock

US$ 42.08

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Book Description

Written specifically for the AQA GCSE Statistic specification, our AQA approved student book helps students to develop key statistical skills and knowledge.

Table of Contents

- Front Cover
- Imprint
- Contents
- Introduction
- 1 Data collection
- 1.1 Planning a strategy
- 1.2 Data sources
- 1.3 Population, census and sample
- 1.4 Surveys
- 1.5 Obtaining data
- Practice questions

- 2 Sampling
- 2.1 What is a sample and whyare samples needed?
- 2.2 Sampling methods
- Practice questions

- 3 Tabulation
- 3.1 Organising raw data – frequency tables
- 3.2 Two-way tables
- 3.3 Using published tables of data
- Practice questions

- 4 Basic forms of data representation
- 4.1 Representing qualitative data
- 4.2 Representing discrete data
- 4.3 Stem-and-leaf diagrams
- 4.4 Frequency diagrams for continuous data
- Practice questions

- 5 Methods for calculating average
- 5.1 What are the mean, the mode and themedian?
- 5.2 Measures of average for frequency distributions
- 5.3 Estimation
- Practice questions

- 6 Methods for calculating spread and skewness
- 6.1 Types of range
- 6.2 Variance and standard deviation
- 6.3 Shapes of distributions and skew
- Practice questions

- 7 Cumulative frequency diagrams and box-and-whisker diagrams
- 7.1 Cumulative frequency diagrams
- 7.2 Box-and-whisker diagrams (box plots)
- Practice questions

- 8 Scatter diagrams, correlation and regression
- 8.1 Scatter diagrams and correlation
- 8.2 Calculating and interpreting values of correlation
- Practice questions

- 9 Time series, moving averages and seasonal effects
- 9.1 Time series graphs
- 9.2 Calculating seasonal effects
- Practice questions

- 10 Further statistical diagrams
- 10.1 Misleading and poorly presented diagrams
- 10.2 Other statistical diagrams
- Practice questions

- 11 Economic and social statistics
- 11.1 Index numbers
- 11.2 Crude and standardised rates
- 11.3 Quality assurance
- Practice questions

- 12 Probability
- 12.1 How likely…
- 12.2 Working with probability
- 12.3 Independent events
- 12.4 Tree diagrams
- 12.5 Experimental probabilities
- 12.6 Using probabilities – simulation
- 12.7 The capture/recapture technique for estimating the size of a population
- Practice questions

- 13 The controlled assessment
- 13.1 The investigation
- 13.2 The written assessment
- Practice questions

- Answers to revision questions
- Glossary
- Index
- Table of random numbers
- Back Cover

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