8 8
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 10. Two Sample Inference

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

(1) Introduction

(2) Unit Notes (Lecture Notes) and Homework Assignment
10. TWO Sample Inference (FORTHCOMING)
Unit 10 Assignment due Questions (FORTHCOMING) Solutions (FORTHCOMING)
Hypothesis Testing Tips (pdf, 8 pp)
BIOSTATS 540 - Chart for Choosing Test (pdf, 3 pp)
NORMAL DISTRIBUTION CALCULATOR (Source: davidlane.com) Normal Distribution Calculator (html)
STUDENT T DISTRIBUTION CALCULATOR (Source: surfstat.anu.edu.au) Surf Stat t-Distribution calculator (html)
CHI SQUARE DISTRIBUTION CALCULATOR (Source:  surfstat.anu.edu.au) Surf Stat Chi Square Distribution Calculator (html)
F DISTRIBUTION CALCULATOR (Source:  epitools.ausvet.com) F-Distribution calculator (html)
F DISTRIBUTION CALCULATOR (Source:  danielsoper.com) You'll need to scroll down to get to F-Distribution (html)

(3) Illustrations
STATA (Source: IDRE UCLA Resources to Help you Learn Stata) What Statistical Analysis Should I Use (html)
R (Source: Zhang, Aloisio, Horton) The Statistical Sleuth in R (pdf, 8 pp)


(4) Activities
FLOW CHART FOR CHOOSING THE CORRECT TEST(Source: www.theresearchassistant.com) Interactive Statistics Chart (html)


(5) Additional Resources
(Source: Whitlock and Schluter Analysis of Biological Data 2nd Edition) Chapter 12 - Comparing Means (pdf, 13 pp)
(Source: ocw.tufts.edu Alice Tang, Tufts University) Common Tests (html)


(6) Assess Your Progress
2015 In-Class Practice Problems: Questions (pdf, 5 pp) Solutions (pdf, 7 pp)




University of Massachusetts at Amherst
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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: August 9, 2017