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This lesson is part of EHS 212 Biostatistics, a 2-unit course for Environmental Health Science students. Part 3.3 focuses on Hypothesis Testing — one of the most fundamental and widely used statistical tools in health and environmental research.
Hypothesis testing provides a structured framework for making evidence-based decisions about populations using sample data. It allows researchers to determine whether observed differences or relationships in data are statistically significant or simply due to chance.
This expanded lecture guides students through the logic, steps, and application of hypothesis testing in real-world environmental and public health research contexts.
This lecture is part of EHS212 BIOSTATISTICS in the Environmental Health Science department. The course has 35 recorded lectures across 12 series, all free to watch. Read or download the EHS212 lecture note to study alongside the video.