Книга: Business Statistics: A First Course

Normal 0 false false false Professors Norean Sharpe (Georgetown University), Dick De Veaux (Williams College), and Paul Velleman (Cornell University) have taught at the finest business schools and draw on their consulting experience at leading companies to show readers how statistical thinking is vital to modern decision making. Managers make better business decisions when they understand statistics, and Business Statistics gives readers the statistical tools and understanding to take them from the classroom to the boardroom. Hundreds of examples are based on current events and timely business topics. Short, accessible chapters allow for flexible coverage of important topics, and the conversational writing style maintains readers’ interest and improves understanding. EXPLORING AND COLLECTING DATA Statistics and Variation Data Surveys and Sampling Displaying and Describing Categorical Data Displaying and Describing Quantitative Data Correlation and Linear Regression UNDERSTANDING DATA AND DISTRIBUTIONS Randomness and Probability Random Variables and Probability Models Sampling Distributions and Confidence Intervals for Proportions Testing Hypotheses about Proportions Confidence Intervals and Hypothesis Tests for Means Comparing Two Groups Inference for Counts: Chi-Square Tests BUILDING MODELS FOR DECISION MAKING Inference for Regression Multiple Regression Introduction to Data Mining For all readers interested in business statistics.