De Leon, Ronica M.2026-07-152026-07-152020De Leon, R. M. (2020). Statistics Stat 101a. [Instructional Materials, Don Mariano Marcos Memorial State University - North La Union Campus, Sapilang, Bacnotan, La Union]. Lakasa ti Sirib, DMMMSU Institutional Repository.https://lakasa.dmmmsu.edu.ph/handle/123456789/2167Module I Introduction to Statistics -- Basic Statistical Concepts -- Collection of Data -- Presentation of Data -- Module II Descriptive Statistics -- Measures of Central Tendency -- Measures of Dispersion -- Skewness and Kurtosis -- Module III Probability and Normal Distribution -- Sample Space and Event -- Laws of Probability -- Normal Distribution -- Module IV Hypothesis Testing -- Testing the Difference between Means -- Correlation and Regression -- Chi-Square Testen-USOther