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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 2. Data Visualization

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

(1) Introduction
VIDEO INTRODUCTION (Source: Ted Talk, David McCandless) The Beauty of Data Visualization (Video - 18:10)
STATISTICS IN PRACTICE (Source: George Cobb) The Graph That Launched A Thousand News Stories (www.stats.org)

(2) Unit Notes (Lecture Notes) and Homework Assignment
2. Data Visualization (pdf, 30 pp)
Unit 2 Assignment due Monday September 25, 2017 Questions (pdf, 2 pp) Solutions (StatKey, pdf, 9 pp) (R, pdf, 5 pp) (Stata, pdf, 4 pp)
Text (Whitlock and Schluter. The Analysis of Biological Data, Second Edition) Chapter 2 - Displaying Data

(3) Illustrations
R - Data Description Basics (pdf, 13 pp)
Stata Data Description Basics (pdf, 4 pp)
StatKey Activity 02 - Describing the Relationship Between Two Variables (pdf, 14 pp)


(4) Activities
StatKey Activity 02 - Describing the Relationship Between Two Variables (pdf, 14 pp)


(5) Additional Resources
(Source: John McGready JHSPH Statistical Reasoning Course) Stem and Leaf Plots, Box Plots (pdf, 25 slides)
(Source: John McGready JHSPH Statistical Reasoning Course) Histograms (pdf, 14 slides)
(Source: pdfs.com.org/skillbuilders/MS/MC_Stem-and-Leaf_Plot.pdf) - Stem and Leaf Plots (pdf, 2 pp)
(Source: Statistics Canada) Stem and Leaf Plots - provides additional help (html)
(Source: David M. Lane. onlinestatbook.com) - Box and Whisker Plots (html)
APPLET (Source: Utah State University) Box and Whisker Plot & Histogram (html)
APPLET (Source: www.analyzemath.com) Box and Whisker Plot - Interactive. Play with it an see how box plots change as sample values are changed from sets that are symmetric to sets that exhibit skewness!(html)


(6) Assess Your Progress
Practice Test Unit 2 (Data Visualization) Questions (pdf, 5 pp) Solutions (pdf, 10 pp)




University of Massachusetts at Amherst
Copyright 2017 University of Massachusetts, Amherst.
This is the course web site for BIOSTATS 540W, Biostatistics and Epidemiology.
Produced and maintained by the School of Public Health and Health Sciences.
Send comments or questions about this web site to cbigelow@schoolph.umass.edu.
Page updated: September 27, 2017