AQA GCSE Statistics
US$ 48.15
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Description
Contents
Reviews
Language
English
ISBN
9781382017985
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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