000			04577nam a22002297a 4500
999			_c2910 _d2910
003			OSt
005			20220112100615.0
008			210414b ||||| |||| 00| 0 eng d
020			_a9788125916543
040			_aBUL _beng _cBUL _dBUL _erda
082			_222 _a001.4 _bGUP
100			_aGupta, C. B.
245			_aAn introduction to statistical methods / _cC. B. Gupta , Vijay Gupta.
250			_a23rd edition
260			_aIndia : _bVikas Publishing house, _cc2004.
300			_ax, 829 p. : _bill. ; _c22 cm.
500			_aCONTENTS; 1. Introduction What is statistics? , Functions of statistics, Statistical methods, etc 2. The fields of statistics. Importance of statistics, Statistics in business, Statistics in Economics, etc 3.Statistical Inquiries and Sampling. Introduction, Population, Census Enumeration, Sampling, Law of statistical regularity, etc 4. Collection of data-preliminary Considerations Statement of purpose, Scope of inquiry, Choice of statistical Units, etc 5. Collection of Data-techniques Primary and secondary data, Primary methods of data collection, drafting questions and questionnaires etc. 6. Classification and tabulation Introduction, Classification, organizing quantitative data, Selecting class intervals. 7. Diagrammatic representation Introduction, Bar Diagrams, Two-way Dimensional Diagrams, Pictures etc. 8. Graphic representation Introduction, Line graphs for time series, Charting frequency Polygon, Smooth Frequency curve, etc. 9. Measures of central tendency. Descriptive statistics, Measures of central tendency, The arithmetic mean, Arithmetic mean of grouped data, Properties of the mean etc. 10. Measures of Dispersion Introduction, Measures of Dispersion, The range, Quartile Deviation, Mean deviation etc. 11. Moments, Skewness and Kurtosis Introduction, Moments, Moments about the mean, Skewness, Kurtosis, etc. 12. Analysis of time series Time series problems, four components of time series, uses of the analysis of time series, Editing time series data etc. 13. Index Numbers Introduction, Method of Combining the data, System of weighting aggregates of actual prices, weight average of price relatives, quantity index numbers etc. 14. Interpolation Introduction, Graphic method of interpolation, parabolic curve method, newton’s method for equal intervals etc. 15. Relationship between variable-regression and correlation Relationship between variables, Correlation and causation, Linear regression analysis, Simplified determination of regression analysis etc. 16. Probability Introduction, Probability, A priori probability, Mathematics of probability, Addition rule of probability, Conditional probabilities etc. 17. Sampling Distributions Nature of sampling distributions, Binomial distribution, mean and standard deviation of binomial distribution, normal distribution etc. 18. Estimation and testing of hypothesis Estimation and confidence level, standard error of estimate, statistical inferences or testing of hypothesis etc. 19. Tests on large samples Introduction, testing assumptions about population mean, one-tail and two-tail tests, testing significance of difference in means etc. 20. Testing on small samples and goodness of fit. Small samples, the distribution, the z-test for correlation, the f-distribution and variance ratio test, analysis of variance etc. 21. Attribution and their association Introduction, dichotomy and notation, Order of classes, A fundamental set, Method for determining class frequencies, Consistence of data etc. 22. Vital statistics Introduction, Measures of mortality, Standard death rate, Measures of fertility, Life tables etc. 23. Statistical quality control Introduction, Process control, Control chart, Product Control etc. 24. Statistics for business decisions Introduction, the decision problem under uncertainty, expected profits, Expected value of perfect information etc. 25. Linear programming Introduction, Linear programming problems, Graphical methods, the simplex method etc. 26. Theory of games Introduction, the games situation, the minimax and maximin decision rules, saddle point, equilibrium and the value of the game, etc.
650			_aStatistical methods
650			_aBusiness statistics
700			_aVijay, Gupta.
942			_2ddc _cBOOK-CA _e23rd edition _h001.4 _i1 _k GUP _m001.4 GUP