Statistics management de behl (1 resultados)

Contents Preface 1 Introduction to statistics 2 Methods of data collection 3 Statistical average and central tendency 4 Measuring median and mode 5 Sources of data and sampling 6 Measures of dispersion 7 Estimation theory and hypothesis testing 8 Skewness and kurtosis analysis IndexIn the ancient times statistics was regarded only as the science of statecraft and was used to collect information relating to crime military strength population wealth etc and devising military and fiscal policies But with the concept of welfare state taking roots almost all over the world the scope of statistics has widened to social and economic phenomenon Moreover with the developments in the statistical techniques during the last few decades today statistics is viewed not only as a mere device for collecting numerical data but as a means of sound techniques for their handling analysis and drawing valid inferences from them Accordingly it is not merely a by-product of the administrative set up of the state but it embraces all sciences-social physical and natural and is finding numerous applications in various diversified fields such as agriculture industry economics sociology biometry planning business management psychometrics insurance accountancy and auditing and so on This book has been prepared keeping in mind the requirements of students researchers teachers and academicians jacket 280 pp. figs, tables (ilustrador).…