A widely used, first-rate introduction to the effective use of mathematical and statistical techniques in business. Preface, Numbers - How we Handle Them, Tools of the Trade: Basic Numeracy Skills, A Note about Microsoft Excel, Numbers - A Means of Communication, Obtaining the Figures: Sampling Methods, Making Sense of the Figures: Data Interpretation, Presenting the Figures: Tables and Diagrams, Summarizing the Figures: Measures of Location and Spread, Measuring Changes: Index Numbers, Numbers - A Basis for Deduction, A Firm Foundation: Elementary Probability, Patterns of Probability: Some Distributions, Estimating from Samples: Inference, Checking a Theory: Hypothesis Testing, Making It Better - Statistics and Quality Improvement, Looking for Connections: Correlation, Numbers - A Tool of Planning, Spotting the Relationship: Line Fitting, More About Forecasting: Time-Series and Exponential Smoothing, Allowing for Interest: Financial Mathematics, Planning an Inventory Policy: Stock Control, Planning Production Levels: Linear Programming, Planning a Project: Network Analysis, Index.