L a N e t

Loading

Nigeria's free digital learning hub. Videos, lecture notes, practice questions and leaderboards aligned with CCMAS, NBTE, NCCE, WAEC, NECO, IJMB and JAMB curricula.

  • 100% Free — No Subscription. No Paywall. Ever.

EHS212 — BIOSTATISTICS

Environmental Health Science · 200 Level · Second Semester

About this course

EHS212 BIOSTATISTICS is a 200 Level course in the Environmental Health Science department, taught in the Second Semester. On La-Net Hub you can watch all 35 recorded lectures for free, grouped into 12 series, read the course lecture note online or download it as a PDF, and test yourself with practice questions.

This lesson is part of EHS 212 Biostatistics , a 2-unit course designed for Environmental Health Science students. This expanded series focuses on Non-Random Sampling Methods — a critical component of research methodology in public and environmental health. Non-random sampling refers to sampling techniques that do not give every member of a population an equal chance of being selected. These methods are widely used in health research when probability sampling is impractical, time-consuming, or cost-prohibitive. Students will explore the theoretical foundations of non-random sampling, understand when and why it is applied in real-world health research settings, and critically evaluate its strengths and limitations.

This course introduces students to the fundamental principles of biostatistics as applied in environmental and public health sciences. It equips students with the quantitative skills necessary to collect, organize, analyze, and interpret health-related data. Series 2 focuses specifically on Sampling Techniques and Data Distribution — two core pillars of statistical reasoning in biostatistics research.

Lectures in this course

Series 1: Series 2 — Expanded: Non-Random Sampling Methods

  1. Series 2 — Expanded: Non-Random Sampling Methods 1 12 minutes 22 seconds
  2. Series 2 — Expanded: Non-Random Sampling Methods 2 10 minutes 7 seconds
  3. Series 2 — Expanded: Non-Random Sampling Methods 3 8 minutes 27 seconds

Series 2: Series 2 — Non-Random Sampling Methods · Part 1

  1. Series 2 — Non-Random Sampling Methods 1 13 minutes 34 seconds
  2. Series 2 — Non-Random Sampling Methods 2 10 minutes 56 seconds
  3. Series 2 — Non-Random Sampling Methods 3 6 minutes 26 seconds

Series 3: Series 2 — Non-Random Sampling Methods · Part 2

  1. Series 2 — Non-Random Sampling Methods 1 13 minutes 34 seconds
  2. Series 2 — Non-Random Sampling Methods 2 10 minutes 56 seconds
  3. Series 2 — Non-Random Sampling Methods 3 6 minutes 26 seconds

Series 4: Series 2: Sampling Techniques and Data Distribution · Part 1

  1. Series 2: Sampling Techniques and Data Distribution 1 12 minutes 11 seconds
  2. Series 2: Sampling Techniques and Data Distribution 2 9 minutes 43 seconds
  3. Series 2: Sampling Techniques and Data Distribution 3 9 minutes 1 second

Series 5: Series 2: Sampling Techniques and Data Distribution · Part 2

  1. Series 2: Sampling Techniques and Data Distribution 1 13 minutes 49 seconds
  2. Series 2: Sampling Techniques and Data Distribution 2 12 minutes 3 seconds
  3. Series 2: Sampling Techniques and Data Distribution 3 11 minutes 29 seconds

Series 6: Series 3 — Hypothesis Testing

  1. Series 3 — Hypothesis Testing 1 11 minutes 1 second
  2. Series 3 — Hypothesis Testing 2 9 minutes 7 seconds
  3. Series 3 — Hypothesis Testing 3 7 minutes 37 seconds

Series 7: Series 3 : Hypothesis Testing

  1. Series 3: Hypothesis Testing 1 11 minutes 1 second
  2. Series 3: Hypothesis Testing 2 9 minutes 7 seconds
  3. Series 3: Hypothesis Testing 3 7 minutes 56 seconds

Series 8: Series 3 -: Hypothesis Testing

  1. Series 3 -: Hypothesis Testing 1 13 minutes 35 seconds
  2. Series 3 -: Hypothesis Testing 2 9 minutes 11 seconds
  3. Series 3 -: Hypothesis Testing 3 7 minutes 56 seconds

Series 9: Series 4 —: Expanded Lecture Vital and Health Statistics in Environmental Health

  1. Series 4 —: Expanded Lecture Vital and Health Statistics in Environmental Health 1 14 minutes 44 seconds
  2. Series 4 —: Expanded Lecture Vital and Health Statistics in Environmental Health 2 13 minutes 54 seconds

Series 10: Series 4 —: Vital and Health Statistics in Environmental Health

  1. Series 4 —: Vital and Health Statistics in Environmental Health 1 14 minutes 16 seconds
  2. Series 4 —: Vital and Health Statistics in Environmental Health 2 8 minutes 15 seconds
  3. Series 4 —: Vital and Health Statistics in Environmental Health 3 10 minutes 54 seconds

Series 11: Series 5 : Statistical Packages and Calculation of Rates

  1. Series 5 : Statistical Packages and Calculation of Rates 1 13 minutes 56 seconds
  2. Series 5 : Statistical Packages and Calculation of Rates 2 12 minutes 55 seconds
  3. Series 5 : Statistical Packages and Calculation of Rates 3 8 minutes 48 seconds

Series 12: Series 5: Statistical Packages and Calculation of Rates

  1. Series 5: Statistical Packages and Calculation of Rates 1 13 minutes 34 seconds
  2. Series 5: Statistical Packages and Calculation of Rates 2 11 minutes 16 seconds
  3. Series 5: Statistical Packages and Calculation of Rates 3 7 minutes 16 seconds