--For dummies.

Includes index

Introduction -- Getting started with business statistics. The art and science of business statistics ; Pictures tell the story: graphical representations of data ; Finding a happy medium: identifying the center of a data set ; Seraching high and low: measuring variation in a data set ; Measuring how data sets are related to each other -- Probability theory and probability distributions. Probability theory: measuring the likelihood of events ; Probability distributions and random variables ; The binomial, geometric, and poisson distributions ; The uniform and normal distributions: so many possibilities! ; Sampling techniques and distributions -- Drawing conclusions from samples. Confidence intervals and the student's t-distribution ; Testing hypotheses about the population mean ; Testing hypotheses about multiple population means ; Testing hypotheses about the population mean -- More advanced techniques: regression analysis and forecasting. Simple regression analysis ; Multiple regression analysis: two or more independent variables ; Forecasting techniques: looking into the future -- The part of tens. Ten common errors that arise in statistical analysis ; Ten key categories of formulas for business statistics

Taking a business statistics course, or just need to understand this complicated topic for your business? This guide shows how statistical ideas, techniques, formulas, and calculations apply to the world of global business and economics. You'll get an introduction on sampling and graphs, and discover how statistics are used in daily life