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BIOSTATS 540 - Fall 2022
Introduction to Biostatistics
Biostatistics and Epidemiology
UMass Amherst
Instructor: Carol Bigelow




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Unit Lecture Notes

Unit Tests

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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

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Unit 10. Two Sample Inference

1. Introduction
2. Learning Module
3. Activities
4. Resources

(1) Introduction
(Source: Whitlock and Schluter Analysis of Biological Data 2nd Edition) Chapter 11 - One Sample Inference (pdf, 9 pp)
(Source: Whitlock and Schluter Analysis of Biological Data 2nd Edition) Chapter 12 - Two Sample Inference (pdf, 13 pp)
(Source: Whitlock and Schluter Analysis of Biological Data 2nd Edition) Chapter 13 - Violations of Assumptions (pdf, 11 pp)


(2) Learning Module
BIOSTATS 540 Fall 2022 Course Notes 10. Two Sample Inference (pdf, 36 pp)
Homework Questions: 3 questions embedded in notes, 10. Two Sample Inference (pdf, 36 pp)
 NOTE - new due date is MONDAY December 5, 2022
Last date for submission with NO LOSS OF POINTS: Wednesday December 7, 2022
Last date for submission for credit (-20 points): Monday December 12, 2022
SOLUTIONS to homework (pdf, 6 pp)
NORMAL DISTRIBUTION CALCULATOR (Source: Agresti, Franklin, Klingenberg) Normal Distribution Calculator (html)
STUDENT T DISTRIBUTION CALCULATOR (Source: Agresti, Franklin, Klingenberg) Student t-Distribution calculator (html)
CHI SQUARE DISTRIBUTION CALCULATOR (Source:  Agresti, Franklin, Klingenberg) Chi Square Distribution Calculator (html)
F DISTRIBUTION CALCULATOR (Source:  Agresti, Franklin, Klingenberg) F Distribution Calculator (html)
BINOMIAL DISTRIBUTION CALCULATOR (Source:  Agresti, Franklin, Klingenberg) Binomial Distribution Calculator (html)
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(3) Activities
BIOSTATS 540 Practice Problems CI and Hypothesis Tests (pdf, 5 pp)
SOLUTIONS to BIOSTATS 540 Practice Problems CI and Hypothesis Tests (pdf, 7 pp)
STATA and R (Source: IDRE UCLA Resources to Help you Learn Stata) Choosing the Correct Statistical Test (html)
R (Source: Zhang, Aloisio, Horton) The Statistical Sleuth in R (pdf, 8 pp)

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(4) Resources

BIOSTATS 540 cheat sheet - Choose a Test Chart (pdf, 3 pp)
BIOSTATS 540 notes - Unit 8 Supplement: Normal, T, Chi Square, F and Sums of Normals
BIOSTATS 540 cheat sheet - SE chart (pdf, 3 pp)
BIOSTATS 540 practice - Hypothesis Testing Tips (pdf, 8 pp)

BIOSTATS 540 page, 8. Statistical Literacy: Estimation and Hypothesis Testing (html)
BIOSTATS 540 page, 9. One Sample Inference (html)

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This is the course web site for BIOSTATS 540W, Biostatistics and Epidemiology.
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Page updated: November 26, 2022