Preface -- Introduction -- Research Methods -- Research Report -- Tests of Significance and Hypothesis -- 360-Degree Feedback Research Appraisal System -- Presentation of Research Data -- Measures of Central Tendency -- Elementary Logic -- Maxima and Minima -- Statistical Quality Control -- Decision Making under Uncertainty -- Competitive Strategies -- Interpolation and Extrapolation -- Important Methods of Interpolation and Extrapolation -- Index Numbers -- Correlation -- Probability