This chapter serves as the theoretical bridge between descriptive analysis and statistical inference. It introduces the fundamental concepts of probability and explores the mathematical distributions that model real-world data behavior. Core Topics covered: Types of Data and Measurement Scales Probability Fundamentals Conditional Probability and Bayes’ Theorem Discrete Probability Distributions Continuous Probability Distributions Sampling Distributions and the Central Limit Theorem Assessing Normality Chapter Lab Activity: Exploring Distributions with the airquality Dataset

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Supervised Classification of Tree Species in Clocaenog block- Wales