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Edexcel GCSE (9-1) Statistics Student Book

Edexcel GCSE (9-1) Statistics Student Book

Gill Dyer | Jane Dyer | Kathryn Hipkiss | David Kent | Navtej Marwaha | Author

(2017)

Additional Information

Book Details

Abstract

Exam Board: Edexcel
Level: GCSE
Subject: Statistics
First teaching: September 2017
First exams: June 2019


Developed in line with the key principles of the new specification, our new Student Book for Edexcel GCSE (9-1) Statistics:

 

- gives you comprehensive and accessible support for the new Edexcel GCSE (9-1) Statistics specification
- includes engaging opportunities to work with authentic data – plenty of real-life statistics in every unit to bring the subject to life and highlight important applications
- helps students prepare for the new linear exams – includes more support for exam preparation than ever before.


Table of Contents

Section Title Page Action Price
Front Cover Front Cover
Contents 3
How to use this book 5
Chapter 1: Collection of data 6
1.1: Describing data 7
1.2: Grouping data 9
1.3: Primary and secondary data 14
1.4: Populations 17
1.5: Petersen capture–recapture formula 20
1.6: Random sampling 22
1.7: Non-random sampling 24
1.8: Stratified sampling 27
1.9: Collection of data 29
1.10: Questionnaires and interviews 33
1.11: Problems with collected data 38
1.12: Controlling extraneous variables 40
1.13: Hypotheses 43
1.14: Designing investigations 44
Check up 46
Strengthen 48
Extend 51
Summary 54
Test 55
Chapter 2: Processing and representing data 56
2.1: Tables 57
2.2: Two-way tables 61
2.3: Pictograms 64
2.4: Bar charts 67
2.5: Stem and leaf diagrams 72
2.6: Pie charts 76
2.7: Comparative pie charts 79
2.8: Population pyramids 83
2.9: Choropleth maps 89
2.10: Histograms and frequency polygons 94
2.11: Cumulative frequency charts 98
2.12: The shape of a distribution 103
2.13: Histograms with unequal class widths 107
2.14: Misleading diagrams 113
2.15: Choosing the right format 116
Check up 121
Strengthen 126
Extend 131
Summary 135
Test 137
Chapter 3: Summarising data 140
3.1: Averages 141
3.2: Averages from frequency tables 144
3.3: Averages from grouped data 148
3.4: Transforming data 155
3.5: Geometric mean and weighted mean 158
3.6: Measures of dispersion for discrete data 161
3.7: Measures of dispersion for grouped data 164
3.8: Standard deviation 170
3.9: Box plots and outliers 175
3.10: Skewness 180
3.11: Deciding which average to use 183
3.12: Comparing data sets 186
3.13: Making estimates 191
Check up 194
Strengthen 197
Extend 200
Summary 202
Test 204
Chapter 4: Scatter diagrams and correlation 206
4.1: Scatter diagrams 207
4.2: Correlation 210
4.3: Causal relationships 212
4.4: Line of best fit 217
4.5: Interpolation and extrapolation 219
4.6: The equation of a line of best fit 224
4.7: Spearman’s rank correlation coefficient 228
4.8: Calculating Spearman’s rank correlation coefficient 231
4.9: Pearson’s product moment correlation coefficient 233
Check up 237
Strengthen 239
Extend 241
Summary 242
Test 243
Chapter 5: Time series 244
5.1: Line graphs and time series 245
5.2: Trend lines 248
5.3: Variations in a time series 250
5.4: Moving averages 253
5.5: Estimating seasonal variations and making predictions 257
Check up 264
Strengthen 266
Extend 267
Summary 269
Test 270
Chapter 6: Probability 272
6.1: The meaning of probability 273
6.2: Experimental probability 277
6.3: Using probability to assess risk 280
6.4: Sample space diagrams 282
6.5: Venn diagrams 285
6.6: Mutually exclusive and exhaustive events 290
6.7: The general addition law 294
6.8: Independent events 296
6.9: Tree diagrams 298
6.10: Conditional probability 302
6.11: The formula for conditional probability 306
Check up 308
Strengthen 310
Extend 313
Summary 315
Test 317
Chapter 7: Index numbers 318
7.1: Index numbers 319
7.2: RPI, CPI and GDP 322
7.3: Chain base index numbers 326
7.4: Rates of change 328
Check up 334
Strengthen 336
Extend 338
Summary 339
Test 340
Chapter 8: Probability distributions 342
8.1: Binomial distributions 343
8.2: Normal distributions 347
8.3: Standardised scores 355
8.4: Quality assurance and control charts 356
Check up 362
Strengthen 364
Extend 367
Summary 368
Test 369
Thinking statistically 371
The statistical enquiry cycle 371
Writing a plan 372
Calculator skills 373
Preparing for your exams 375
Collection of data 375
Processing and representing data 376
Summarising data 377
Scatter diagrams and correlation 378
Time series 379
Probability 380
Index numbers 381
Probability distributions 382
Answers 383
Index 432
Back Cover Back Cover