Summarizing Data

PubHlth 540 - Fall 2009
Introduction to Biostatistics	Biostatistics and Epidemiology UMass Amherst

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Syllabus and Lecture Notes

Practice Problems and Exams

Computer Illustrations

Other Resources

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Summarizing Data

Introduction to Probability

Populations and Samples

Bernoulli and Binomal Distributions

Normal Distribution

Estimation

Hypothesis Testing

Chi Square Tests

Correlation/Regression

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Summarizing Data
(1) PubHlth 540 2009, (2) additional reading, (3) illustrative applets, (4) calculators (5) computer illustrations.

Download adobe reader (click here)

(1) PubHlth 540 - 2009
Lecture Notes	(pdf, 46 pp)
Text (Kirkwood and Sterne) chapters 1, 2, 3, and 4
Practice Problems	(pdf, 4 pp)
Solutions to Practice Problems	(pdf, 18 pp)
Practice Quiz	(pdf, 2 pp)
Solutions to Practice Quiz	(pdf, 6 pp)

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(2) Additional Reading
*(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: www.mathcentre.ac.uk)* Sigma Notation- Additional explanation w examples of summation notation	(pdf, 10 pp)
*(Source: Statistics Canada)* Stem and Leaf Plots - provides additional help	(html)
*(Source: www.coventry.ac.uk)* Calculating the mean for grouped data	(html)

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

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

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(5) Computer Illustrationss
Data: Data set needed is geyser1.dat (download) - After opening this data set, use FILE > SAVE AS to download - Be sure to save as a "txt' file and then rename with ".dat" extension.	geyser1.dat (download)
SAS *(Source: PubHlth 540* Summarizing Data Using SAS**	(pdf, 12 pp)
STATA *(Source: PubHlth 540* Summarizing Data Using STATA**	(pdf, 11 pp)
R *(Source: PubHlth 540* Summarizing Data Using R**	(pdf, 9 pp)

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University of Massachusetts at Amherst

Copyright 2009 University of Massachusetts, Amherst.
This is the course web site for PubHlth 540, Biostatistics and Epidemiology.
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Page updated: September 13, 2009