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BIOSTATS 540 - Fall 2017
Introduction to Biostatistics
Biostatistics and Epidemiology
UMass Amherst
Instructor: Carol Bigelow



For Students


This Week

Unit Lecture Notes

Unit Tests


Other Resources

Course Unit Pages

1. Summarizing Data

2. Data Visualization

3. Probability: Basics

4. Probabilities in Epidemiology

5. Populations and Samples

6. Bernoulli and Binomal Distributions

7. Normal Distribution

8. Statistical Literacy: Estimation and Hypothesis Testing

9. One Sample Inference

10. Two Sample Inference

11. Chi Square Tests

12. Simple Linear Regression and Correlation


Unit 5. Populations and Samples

1. Introduction
2. Unit Notes (Lecture notes)
3. Illustrations
4. Activities
5. Additional Resources
6. Assess Your Progress

(1) Introduction
gentle INTRODUCTION (Source: Whitlock and Schluter) Overheads 01 - Introduction to Statistics and Sampling (pdf, 9 pp)
VIDEO (Source: Statistics Learning Centre) Sampling: Simple Random, Convenience, Systematic, Cluster Stratified (video 4:53)
VIDEO (Source: Statistics Learning Centre) Variance and Sampling Error (video 6:29)
VIDEO (Source: StatTrek Statistics) Sampling Methods (video 12:35)
VIDEO (Source: StatTrek Statistics) Bias in Survey Sampling (video 10:12)

(2) Unit Notes (Lecture Notes) and Homework Assignment
(Source: Whitlock and Schluter) Chapter 1 - Statistics & Samples
5. Populations and Samples (pdf, 38 pp)
Unit 5 Assignment due Monday October 16, 2017 Questions (pdf, 1 pp) Solutions (pdf, 2 pp)

(3) Illustrations
STATISTICS IN PRACTICE (Source: Five Thirty Eight) The Real Story of 2016 (html)
STATISTICS IN PRACTICE (Source: Rosenbaum DE. NY Times January 4, 1970) Statisticians Charge Draft Lottery Was Not Random (pdf, 1 pp)


(4) Activities
INTERACTIVE (Source: BMJ Statistics at Square One) 3. Populations and Samples with Quiz & Solutions (html)


(5) Additional Resources
(Source: socialresearchmethods.net) Statistical Terms in Sampling (html)
(Source: socialresearchmethods.net) Probability Sampling (html)
(Source: Saifuddin Ahmed, JHSPH Statistical Methods for Sample Surveys) Lecture 1 (pdf, 56 slides)
(Source: Wadsworth Cengage Learning) Sampling Distribution - 26 slides (html)


(6) Assess Your Progress
Unit 5 Practice Quiz Questions (pdf, 1 pp) Solutions (pdf, 4 pp)




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This is the course web site for BIOSTATS 540W, Biostatistics and Epidemiology.
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Send comments or questions about this web site to cbigelow@schoolph.umass.edu.
Page updated: October 6, 2017