BIOSTATS 540 - Fall 2015
Introduction to Biostatistics
Biostatistics and Epidemiology
UMass Amherst



For Students



This Week

Lecture Notes

Homeworks and Exams

Computer Illustrations

Other Resources

Links, by Topic

1. Summarizing Data

2. Introduction to Probability

3. Populations and Samples

4. Bernoulli and Binomal Distributions

5. Normal Distribution

6. Estimation

7. Hypothesis Testing

8. Chi Square Tests

9. Correlation/Regression


1. Summarizing Data
(1) BIOSTATS 540 2015, (2) additional reading, (3) illustrative applets, (4) calculators (5) computer illustrations.

Download adobe reader (click here)

(1) BIOSTATS 540 - 2015
Show Me#1 - Descriptives for ONE variable
Show Me #2 - Descriptives for TWO variables
(pdf, 16 pp)
(pdf, 14 pp)

Lecture Notes 2015 - 0. Course Introduction

(pdf, 20 pp)
Lecture Notes 2015 - 1. Summarizing Data
Notes (pdf, 54 pp)
Carnegie Mellon OLI Course, Statistical Reasoning:
Introduction and Learning Strategies
1) Introduction, 2) Learning Strategies, and 3) The Big Picture
Click on Enter course here (html)
University of Florida Biostatistics Open Learning Textbook
After clicking on HOMEPAGE at right, under 6050 & 6052
Module 1, Unit 1: Exploratory Data Analysis
Click here for HOMEPAGE (html)
Be patient ... it's really slow! ....
Homework #1 Due Monday September 14, 2015
Questions (pdf, 3 pp)
Help with Creating Histogram Using Shodor Applet
(pdf, 2 pp)
Solutions to Homework #1
Solutions (pdf, 14 pp)
Homework #2 Due Monday September 21, 2015
Questions (pdf, 2 pp)
Solutions to Homework #2
Solutions (pdf, 11 pp)
Practice Quiz
(pdf, 2 pp)
Solutions to Practice Quiz
(pdf, 6 pp)

(2) Additional Reading
(Source: Oswego City School District Regents Exam Prep) - Percentiles
(Source: - Stem and Leaf Plots (pdf, 2 pp)
(pdf, 2 pp)
(Source: David M. Lane. - Box and Whisker Plots (html)
(Source: Marie Diener-West, JHSPH Fundamentals of Epidemiology) Exploratory Data Analysis
(pdf, 71 slides)
(Source: University of Maryland Medical Center) Grouped Data Calculations
(pdf, 14 slides)
(Source: Douglas Altman and Martin Bland) Standard Deviation and Standard Errors
(pdf, 1 pp)
(Source: Stephen Jay Gould) The Median Isn't the Message - a really nice essay
(pdf, 3 pp)
(Source: Marie Diener-West of Johns Hopkins SPH) Exploratory Data Analysis Power Point Lecture
(pdf, 71 slides)
(Source: Sigma Notation- Additional explanation w examples of summation notation
(pdf, 10 pp)
(Source: Statistics Canada) Stem and Leaf Plots - provides additional help (html)
(Source: John McGready, Johns Hopkins SPH Statistical Reasoning I) E- Stem and Leaf Plots, Box Plot
(pdf, 25 slides)
(Source: John McGready, Johns Hopkins SPH Statistical Reasoning I) D - Histogram
(pdf, 14 slides)
(Source: Math Centre, UK) Tutorial on Summation Notation and Calculations
(pdf, 10 pp)


(3) Illustrative Applets
(Source: Utah State University) Box and Whisker Plot & Histogram (html)
(Source: 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)


(4) Calculators
(Source:  Shodor Education) Bar Graph
(Source:  Shodor Education) Stem and Leaf
(Source: Shodor Education) Box and Whisker Plot
(Source: Shodor Education) Histogram


(5) Computer Illustrations
RIGHT click to download
Online free-ware
A look at the ICU data on page 13 of Lecture notes 1. Summarizing Data
Illustration (pdf, 12 pp)
A Visit to Yellowstone National Park

Stata Data set (geyser.dta)
Illustration (pdf)



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Page updated: September 13, 2015