01762nam a2200217Ia 4500 Ost 20260426125804.0 260426s9999||||xx |||||||||||||| ||und|| fsecg eng 302.015195 Frahi, Fadila Author Introductory Descriptive Statistics Lectures / Fadila Frahi Algiers : University of Algiers 3 Faculty of Economics Commercial Sciences and Management, 2024 117 paper, 12 cm bibliography paper 116 This polycope provides a comprehensive introduction to statistics, covering essential concepts and techniques. It begins by defining statistics and its types, introducing key terms like population, sample, parameter, and statistic. The polycop then delves into descriptive statistics, exploring methods for summarizing and visualizing both qualitative and quantitative data, including frequency distributions, histograms, and box plots.The polycope further explores measures of central tendency, such as the mean, median, and mode, as well as measures of variability, including variance, standard deviation, and interquartile range. It also introduces concepts like skewness and kurtosis to describe the shape of distributions.Correlation and regression analysis are covered to examine relationships between variables, while index numbers are discussed to measure changes in economic variables over time. The polycope concludes with a chapter on measures of concentration, focusing on the Lorenz curve and Gini coefficient to assess income inequality. Statistics University of Algiers 3 Faculty of Economics Commercial Sciences and Management Scientific publisher HANDOUT 0 0 ddc 0 -1 fsecg fsecg 2026-04-26 Second floor Po.903-1 0 Po.903 exp1 Po.903-1 2026-04-26 12:58:04 2026-04-26 HANDOUT 41503 41503