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 data analysis consultant Singgih Santoso, this two-part practical guide details the application of parametric and nonparametric statistical methodologies using SPSS software. The work guides researchers through prerequisite testing (such as normality and variance homogeneity), step-by-step software commands, and technical output interpretation for comparative analysis (t-tests, ANOV…