3. Populations and Samples
(1) BIOSTATS 540 2015, (2) additional reading, (3) illustrative applets, (4) calculators (5) computer illustrations.

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(1)BIOSTATS 540 - 2015
Lecture Notes 2015 Unit 3. Populations and Samples	Notes, (pdf, 37 pp)
Carnegie Mellon OLI Course, Statistical Reasoning: Introduction and Learning Strategies 1) Unit 2, Module 3: Sampling. SLIDES 65-68 2) Unit 3, Module 7: Sampling Distributions. SLIDES 111-120	Click on Enter course here (html)
University of Florida Biostatistics Open Learning Textbook After clicking on HOMEPAGE at right, under 6050 & 6052 Unit 2, Producing Data. Module 3: Sampling	Click here for homepage (html)
Homework due Tuesday October 13, 2015	Questions (pdf, 1 pp)
Homework Solutions	Solutions (pdf, 2 pp)
Practice Quiz - Questions	Questions (pdf, 1 pp)
Practice Quiz - Solutions	Solutions (pdf, 4 pp)

(2) Additional Reading
(Source: socialresearchmethods.net) Statistical Terms in Sampling	(html)
(Source: socialresearchmethods.net) Probability Sampling	(html)
(Source: Mine Cetinkaya-Rundel of Open Intro) Sampling from a Small Population	(pdf, 8 slides)
(Source: StatTrek Statistics Tutorial) Simple Random Sampling	(html)
VIDEO (Source: StatTrek Statistics Tutorial) Sources of Bias in Survey 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)

(3) Illustrative Applets
(Source: P. B. Stark, Berkeley) Sampling Distribution of sum, mean, variance, and the chi square statistic	(html)

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(4) Calculators
(Source:  Jesse Rankin, University of California) Simple Random Sample Generator	(html)

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(5) Computer Illustrations
Stata (Source:  UCLA Academic Technology Services) BSAMPLE and SAMPLE - How to do simple random sampling with or without replacement	(html)

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