Authored by Syofian Siregar, this practical handbook details the fundamentals and application of descriptive statistics in quantitative research data analysis. The text covers data presentation methods (tables and charts), measures of central tendency (mean, median, mode), measures of dispersion (variance, standard deviation), data distribution shapes (skewness and kurtosis), and basic regressi…
Authored by Dr. Tukiran Taniredja and Hidayat Mustafidah, this introductory research methodology textbook guides undergraduate students and novice researchers through the principles and application of quantitative research design. Structured systematically, the book covers problem formulation, hypothesis development, sampling techniques, instrument design, validity and reliability testing, and …