Spring 2014 Stat 205 Homepage

Stat 205
Spring 2014


Elementary Statistics for the Biological and Life Sciences

Instructor: Tim Hanson Office: LeConte 219C
Instructional Assistant: Jeff Thompson

Class Meetings:
Thur./Tues. 8:30-9:45 in Petigru College 108



Dr. Hanson's office Hours: TBA and by appointment. Textbook: Samuels, M.L., Witmer, J.A., and Schaffner, A.A. (2011). Statistics for the Life Sciences, 4th Ed.


Topics Covered:

Date Topics Homework
Tues., Jan. 14 Lecture 1: Course expectations, statistics, random sampling, introduction to R. Sections 1.1, 1.3, notes. Syllabus. --
Thur., Jan. 16 Lecture 2: Variables, frequency distributions. Sections 2.1, 2.2 2.1.1, 2.1.2, 2.1.4; 2.2.3 (use R). data to be read into R.
Tues., Jan. 21 Lecture 3: Measures of center, boxplots. Sections 2.3, 2.4 2.3.3 (use R), 2.3.5, 2.3.6, 2.3.7, 2.3.11, 2.4.2 (use R), 2.4.7. Homework 1 due Feb. 4.
Thur., Jan. 23 Lecture 4: Relationships between variables, measures of spread. Sections 2.5, 2.62.5.2 (use R; here's code), 2.5.3(a) (use R, describe the relationship), 2.6.5(a) (by hand), 2.6.11, 2.6.12.
Tues., Jan. 28 Class canceled due to weather. --
Tues., Jan. 30 Class canceled due to weather. --
Tues., Feb. 4 Lecture 5: Statistical inference, introduction to probability. Sections 2.8, 3.2. 2.S.7, 2.S.17, 2.S.19, 2.S.20, 3.2.1. Selected textbook homework solutions for Chapter 2.
Thur., Feb. 6 Lecture 6: Probability rules. Sections 3.3, 3.2. Lecture 7: Continuous and discrete random variables. Sections 3.4, 3.5. 3.2.3, 3.2.4, 3.2.5, 3.2.7, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.4.2, 3.4.3, 3.5.4, 3.5.5, 3.5.7. Homework 2, due Tuesday Feb. 18.
Tues., Feb. 11 Lecture 8: Binomial and normal random variables. Sections 3.6, 4.1, 4.2. 3.6.1, 3.6.2, 3.6.6, 3.6.10 (use R for all of these). Homework 3 due Tues. Feb. 18. Selected textbook homework solutions for Chapter 3.
Thur., Feb. 13 Class canceled due to weather. --
Tues., Feb. 18 Lecture 9: Finding normal probabilities and percentiles; normal probability plots. Sections 4.3, 4.4. Chapter 5 and brief review for Exam I.4.3.3, 4.4.4, 4.3.5, 4.3.6, 4.3.8 (use R for all of these), 4.4.2. Selected textbook homework solutions for Chapter 4.
Thur., Feb. 20 Exam I. Closed book, closed notes. Bring a calculator. Answer key.--
Tues., Feb. 25 Lecture 11: Confidence interval for μ. Sections 6.2, 6.3. R code for height example.6.3.4, 6.3.5 (use R for both). Selected textbook homework solutions for Chapter 6.
Thur., Feb. 27 Lecture 12: Confidence interval for μ12. Sections 6.5, 6.6.6.7.11, 6.7.12, 6.7.13, 6.7.14 (use R for all of these). Chapter 6 data for R. Homework 4 due Thur. Mar. 6.
Tues., Mar. 4 Lecture 13: Hypothesis tests of H0: μ12=0. Sections 7.2 and 7.1.7.2.3(a,b), 7.2.4(a,b), 7.2.9 (use R), 7.2.10 (use R), 7.2.11 (use R), 7.2.14, 7.2.17 (use R). Chapter 7 data for R.
Thur., Mar. 6 Lecture 14: More on hypothesis testing, association vs. causation. Sections 7.3, 7.4 and 7.9.7.3.4, 7.3.5, 7.3.6, 7.3.7, 7.4.1, 7.9.1. Homework 5, due Mar. 20.
Tues., Mar. 11Spring Break (no class).--
Thur., Mar. 13Spring Break (no class). --
Tues., Mar. 18 Lectures 15: One-sided tests, sample size planning, Wilcoxin-Mann-Whitney test. Sections 7.5, 7.7, and 7.10. 7.5.6, 7.5.13, 7.7.1, 7.7.3(a), 7.10.3, 7.10.4, 7.10.6(a,b,c). Use R for all problems. Selected textbook homework solutions for Chapter 7.
Thur., Mar. 20 Lecture 16: Paired observations, the sign test. Sections 8.2 and 8.4. Review notes for Exam II. 8.2.1(b), 8.2.4, 8.2.6, 8.4.5, 8.4.6(a). Use R for all problems. Chapter 8 data for R. Homework 6, due Mar. 27. Selected textbook homework solutions for Chapter 8.
Tues., Mar. 25 Exam II: bring a calculator and pencil. --
Thur., Mar. 27 Lecture 17: Confidence interval for population proportion p, Chi-square test. Sections 9.2 and 9.4. 9.2.4, 9.2.5(a,b), 9.2.6, 9.4.1, 9.4.3, 9.4.4. Use R for all problems. Selected textbook homework solutions for Chapter 9.
Tues., Apr. 1 Lecture 18: Chapter 10 Contingency Tables I. Chi-square test for independence.10.2.4, 10.2.5, 10.2.6, 10.2.12, 10.2.14; use fisher.test in R. 10.5.2(a), 10.5.4(a), 10.5.7; use chisq.test in R.
Thur., Apr. 3 Lecture 19: Chapter 10 Contingency Tables II. Confidence interval for p1-p2, relative risk, odds ratio, and case-control studies.10.7.1, 10.7.3; use prop.test in R. 10.9.3, 10.9.4, 10.9.5, 10.9.6; use fisher.test in R. Homework 7, due Apr. 10. Selected textbook homework solutions for Chapter 10.
Tues., Apr. 8 Lecture 21: Analysis of variance. Chapter 11. Homework 8, due April 15. Chapter 11 data for R.
Thur., Apr. 10 Lecture 22: correlation and linear regression. Chapter 12. 12.2.5, 12.2.7, 12.3.1, 12.3.3, 12.3.5, 12.3.7, 12.3.8. Use R for all problems; i.e. don't do anything by hand. Chapter 12 data for R. Homework 9, due April 17.
Tues., Apr. 15 Lecture 23: Linear regression. 12.4.3, 12.4.6, 12.4.8, 12.4.9, 12.5.1, 12.5.3, 12.5.5, 12.5.9(a). Use R for all problems; i.e. don't do anything by hand. Selected textbook homework solutions for Chapter 12.
Thur., Apr. 17 Exam III: bring a calculator and pencil. --
Tues., Apr. 22 Logistic regression, Lecture notes.--
Thur., Apr. 24 Diagnostic screeing. --