Opis: Statistics for Economics, Accounting and Business Studies - Michael Barrow

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MyMathLab.com.Guided tour of the book Preface to the sixth edition Publisher's acknowledgements Introduction 1 Descriptive statistics Introduction Summarising data using graphical techniques Looking at cross-section data: wealth in the UK in 2005 Summarising data using numerical techniques The box and whiskers diagram Time-series data: investment expenditures 1977-2009 Graphing bivariate data: the scatter diagram Data transformations The information and data explosion Guidance to the student: how to measure your progress Summary Key terms and concepts Reference Problems Answers to exercises Appendix 1A: SIGMA notation Appendix 1B: E and V operators Appendix 1C: Using logarithms 2 Probability theory and statistical inference The definition of probability Probability theory: the building blocks Bayes' theorem Decision analysis Summary Key terms and concepts Problems Answers to exercises 3 Probability distributions Introduction Random variables and probability distributions The Binomial distribution The Normal distribution The sample mean as a Normally distributed variable The relationship between the Binomial and Normal distributions The Poisson distribution Summary Key terms and concepts Problems Answers to exercises 4 Estimation and confidence intervals Introduction Point and interval estimation Rules and criteria for finding estimates Estimation with large samples Precisely what is a confidence interval? Estimation with small samples: the t distribution Summary Key terms and concepts Problems Answers to exercises Appendix: Derivations of sampling distributions 5 Hypothesis testing Introduction The concepts of hypothesis testing The Prob-value approach Significance, effect size and power Further hypothesis tests Hypothesis tests with small samples Are the test procedures valid? Hypothesis test and confidence intervals Independent and dependent samples Discussion of hypothesis testing Summary Key terms and concepts Reference Problems Answers to exercises 6 The chi~ and F distributions Introduction The chi~ distribution The F distibution Analysis of variance Summary Key terms and concepts Problems Answers to exercises Appendix: Use of chi~ and F distribution tables 7 Correlation and regression Introduction What determines the birth rate in developing countries? Correlation Regression analysis Inference in the regression model Some other issues in regression Gapminder again Summary Key terms and concepts References Problems Answers to exercises 8 Multiple regression Introduction Principles of multiple regression What determines imports into the UK? Finding the right model Summary Key terms and concepts Reference Problems Answers to exercises 9 Data collection and sampling methods Introduction Using secondary data sources Using electronic sources of data Collecting primary data The meaning of random sampling Calculating the required sample size Collecting the sample Case study: the UK Living Costs and Food Survey Summary Key terms and concepts References Problems 10 Index numbers Introduction A simple index number A price index with more than one commodity Using expenditures as weights Quantity and expenditure indices The Retail Price Index Inequality indices The Lorenz curve The Gini coefficient Concentration ratios Summary Key terms and concepts Reference Problems Answers to exercises Appendix: Deriving the expenditure share form of the Laspeyres price index 11 Seasonal adjustment of time-series data Introduction The components of a time series Forecasting Further issues Summary Key terms and concepts Problems Answers to exercises Important formulae used in this book Appendix: Tables Answers to problems Index

Szczegóły: Statistics for Economics, Accounting and Business Studies - Michael Barrow

Tytuł: Statistics for Economics, Accounting and Business Studies
Autor: Michael Barrow
Producent: Pearson
ISBN: 9780273764328
Rok produkcji: 2013
Ilość stron: 504
Oprawa: Miękka

Recenzje: Statistics for Economics, Accounting and Business Studies - Michael Barrow