Preface Notes Acknowledgements PART I: MATHEMATICAL APPLICATIONS Revision Mathematics Keeping up with Change: Index Numbers Choosing wisely: Investment Appraisal PART II: COLLECTING & INTERPRETING DATA Collecting Data: Surveys and Samples Finding Patterns in Data: Charts and Tables Making Sense of Data: Averages and Measures of Spread PART III: PROBABILITY & STATISTICS Taking a Chance: Probablility The Shape of Data: Probability Distributions Interpreting with Confidence: Analysis of Sample Data Checking Ideas: Testing a Hypothesis Cause and Effect: Correlation and Regression PART IV: DECISION MAKING TECHNIQUES How to make Good Decisions Forecasting: Time Series Analysis Making the Most of Things: Linear Programming Planning Large Projects: Critical Path Analysis Managing Stock Levels: Inventory Control Taking Account of Randomness Appendices Index.