This book helps the reader simply to understand the concept of statistics. Specifically, the definition of the statistics, classification of statistics, stages of statistical investigations, data collection methods, data presentations, scales of measurements, Measures of Central Tendency, Measures of Dispersion, elementary probabilities, probability distributions, sampling techniques (random and none random), simple regression analysis and simple correlation coefficients. All listed topics and another were deeply discussed with different activities and examples. After the end of each chapter,...