# Statistical Methods and Calculation Skills

Juta and Company Ltd, 2009 - Commercial statistics - 272 pages
This third edition aims to equip students with the skills to apply statistical analysis and quantitative techniques in research and the working environment where their knowledge can lead to effective decision-making. The book effectively combines theory and practice in providing: A theoretical framework for statistical problem-solving; A practical step-by-step approach to applying methods and calculations; A complete list of outcomes in each unit; Worked examples with detailed explanations; Practice in the form of guided activities and a range of self-test questions. The contents include the collection and presentation of data, descriptive measures, index numbers, regression and correlation analysis, time series, probability and probability distributions, statistical estimation and hypothesis testing. Calculation skills are revised in Part 2, a section that covers technology, elementary calculations, percentages and ratios, equations, graph construction and interest calculations. This edition includes examples and activities which cover not only the business field, but also food and biotechnology, engineering, medicine and environmental studies.

### What people are saying -Write a review

User Review - Flag as inappropriate

It is frustrating that there is no solutions to the "Test Yourself" sections. There is thus no way how you can compare your answers to see if you are correct

User Review - Flag as inappropriate

The self test questions have no answers... So what's the point if I can't know whether I've answered wrong or right?
Very frustrating...:(

### Contents

 Introduction 3 Test yourself 2 23 Summarising data using numerical descriptors 60 Test yourself 4 97 Index numbers 102 Test yourself 6 126 Test yourself 7 144 Test yourself 8 166
 Hypothesis testing 198 Test yourself 11 215 CALCULATION SKILLS 221 Percentages and ratios 243 Test yourself 13 251 Test yourself 14 257 Test yourself 15 267 Copyright

 Test yourself 9 184