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- Department of Statistics

version of Adobe Flash Player Click on highlighted dates for details Personnel Faculty Emeritus Faculty Staff Graduate Students Affiliate Faculty Graduate Program Applying to the Program Graduate Courses Graduate Program Academic Placements Undergrad Program Undergraduate Courses Undergraduate Program Actuarial Science at U F Statistics Club Current Semester Current Courses Texts Events Weekly Seminars Student Seminars Challis Lectures Winter Workshop Faculty News Resources About the Department Statistics Jobs Statistical Consulting Statistics

Original URL path: http://www.stat.ufl.edu/ (2015-11-08)

Open archived version from archive - 2015 Challis Lectures

IMS the American Statistical Association and the American Association for the Advancement of Science and a Knight of the Order of the Netherlands Lion His research has been supported by fellowships research prizes and grants from the Alexander von Humboldt Foundation the John Simon Guggenheim Foundation and the Nederlandse Organisatie voor Wetenschappelijk Onderzoek He served as the 1992 IMS Medallion Lecturer and the 2015 IMS Le Cam Lecturer and he

Original URL path: http://www.stat.ufl.edu/challis/2015/ (2015-11-08)

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should always be rounded up to the next integer 8 5 Using Computers to Make New Estimation Possible 8 58 8 59 End of Chapter Exercises 8 78 8 115 8 116 8 117 Supplemental Videos Chapter 8 Section 3 Assumptions for Confidence Intervals for the Population Mean Chapter 8 Section 3 Computing Confidence Intervals for the Population Mean Chapter 8 Section 3 Interpreting Confidence Intervals for the Population Mean Chapter 8 Section 4 Why is the standard error the largest when phat equals 0 5 Chapter 8 Section 4 Assumptions for a confidence interval for the population proportion Chapter 8 Section 4 Small Sample Confidence Interval for the population proportion Grades posted in Canvas Quiz EC 1 2 3 4 5 6 Lab 1 2 3 4 5 6 Exam 1 Outside the Classroom Video Anne Milgram What Smart Statistics are the key to fighting crime 12 minute video so this video is for the next three weeks weeks of Oct 12 th Oct 19 th and Oct 26 th Possible Questions How many observations did they have for their analysis How many variables did they explore What response variables were they interested in Comments on the first exam If you did well on the exam congratulations If you did not do as well as you would like you need to make sure that you are doing the following Watch the lectures within 24 hours of them being posted If possible come to the live lectures MWF 7 th period in Norman G520 or MWF 9 th period in Norman 137 Read over your notes before watching or attending each lecture Ask questions if you don t understand You can ask the instructor before or after class go to the tutoring room or go to office hours Do the suggest homework problems for each section after watching the corresponding lecture Check your answers in the solutions manual The solutions manual is in tutoring room Griffin Floyd 104 and on reserve in Marsten Science Library Make yourself a study guide for each of the 5 topics on Exam 2 sampling distribution of the sample proportion sampling distribution of the sample mean confidence interval for the population proportion confidence interval for the population mean hypothesis test for the population proportion Topics that need to be mastered from first exam Descriptive Statistics Graphical Summaries Basics of Chapter 4 and Normal Distribution Weekly Reminders for Monday October 19 th through Friday October 23 rd Office Hours for Megan Mocko on Friday October 23 rd 8 50 10 20am one time only Lectures Monday Wednesday and Friday Available 9th period in NRN 137 7 th period in Norman G520 or online Extra Handout for Wednesday Oct 21st or Friday Oct 23rd Handout Quizzes Quiz 6 Offered Monday October 19 th 8am until Thursday Oct 22 nd 11 59pm Three Attempts highest counts Covers Material Chapter 7 Section 1 Chapter 7 Section 2 pages 49 60 in the lab workbook Lab Lab 6 Activity 11 http www4 stat ncsu edu west ph sampledist html You must attend the section for which you are registered Be on time You have a 5 minute grace period Watch the lectures through Friday October 23 rd Suggested HW problems 7 2 How Sample Means Vary Around the Population Mean 7 14 7 16 7 17 7 18 7 20 7 21 End of Chapter Exercises 7 38 7 52 7 53 7 54 Ch 8 Statistical Inference Confidence Intervals 8 1 Point and Interval Estimates of Population Parameters 8 1 8 4 8 5 8 6 8 7 8 2 Constructing a Confidence Interval to Estimate a Population Proportion 8 11 8 12 8 13 8 14 8 15 8 17 8 18 8 21 8 22 8 23 8 21 The interpretation should read We are 90 confident NOT We are 95 confident Supplemental Videos Chapter 8 Section 2 Interpreting Confidence Interval for Population Proportion Chapter 8 Section 2 Interpreting Confidence Interval for Population Proportion Chapter 8 Section 2 Assumptions for Confidence Interval for Population Proportion Grades posted in Canvas Quiz EC 1 2 3 4 5 6 Lab 1 2 3 4 5 Exam 1 Outside the Classroom Video Anne Milgram What Smart Statistics are the key to fighting crime 12 minute video so this video is for the next three weeks weeks of Oct 12 th Oct 19 th and Oct 26 th Possible Questions How many observations did they have for their analysis How many variables did they explore What response variables were they interested in Exam Answers posted in Canvas at the top of the homepage Exam Grades will be posted in Canvas by Wed Oct 14 th Exam Scores are determined by taking the number correct and multiplying by 3 and then adding one point for filling in the test code and UFID correctly and bringing your ID to the exam room Exam 1 score 3 numbercorrect 1 Average 83 StDev 12 744 Weekly Reminders for Monday October 12 th through Friday October 16 th Lectures Monday Wednesday and Friday Available 9th period in NRN 137 7 th period in Norman G520 or online Quizzes No Quiz this week Lab Lab 5 Activity 10 Website http www4 stat ncsu edu west ph sampledist html You must attend the section for which you are registered Be on time You have a 5 minute grace period Watch the lectures through Friday October 9 th Suggested HW problems Ch 7 Sampling Distributions 7 1 How Sample Proportions Vary Around the Population Proportion 7 4 7 5 7 10 7 11 7 12 Supplemental Videos Chapter 7 Section 2 Sampling Distribution of the Sample Mean Grades posted in Canvas Quiz EC 1 2 3 4 5 Lab 1 2 3 4 Exam 1 Outside the Classroom Video Anne Milgram What Smart Statistics are the key to fighting crime 12 minute video so this video is for the next three weeks weeks of Oct 12 th Oct 19 th and Oct 26 th Possible Questions How many observations did they have for their analysis How many variables did they explore What response variables were they interested in Exam 1 is on Wednesday October 7 th at 8 20pm See the Exam 1 information tab in Canvas for extra practice questions old exams See details and policies about the exam here See room assignments here NEW DECISION ON OCT 5th Calculator Statement You can use any scientific or graphing calculator on the exam However we may check any calculator for stored programs without cause during the exam We will be spot checking random students calculators during the exam in random rooms Students who store statistics course material on their calculator will be in violation of UF Honor Code Weekly Reminders for Monday October 5 th through Friday October 9 th Tutoring Room is in Griffin Floyd 104 Open Monday Wednesday Closed on Thursday and Friday Lectures Available 9th period in NRN 137 7 th period in Norman G520 or online Monday Review for Exam 1 Printout PrintoutwithAnswers Wednesday and Friday Exam 2 Material Quizzes No Quiz Lab No Lab Suggested HW problems 6 2 Probabilities for Bell Shaped Distributions 6 14 6 15 6 16 6 17 6 19 6 23 6 24 6 26 6 27 6 29 6 3 Probabilities When Each Observation Has Two Possible Outcomes 6 35 6 39 6 41 6 43 Supplemental Videos See supplemental videos link on homepage in Canvas Chapter 6 Section 2 More Examples of the Normal Distribution Chapter 6 Section 3 More Examples of Binomial Distribution Grades posted in Canvas Quiz EC 1 2 3 4 5 Lab 1 2 3 4 Exam Weekly Reminders for Monday September 28 th through Friday October 2 nd Lectures Monday Wednesday and Friday Available 9th period in NRN 137 7 th period in Norman G520 or online Q and A session Thursday October 1 st 10am noon in Norman G520 recorded Please submit top 3 questions by Wed Sept 30 th Quizzes Quiz 5 Offered Monday September 26 th 8am until Thursday Oct 1 st 11 59pm Three Attempts highest counts Covers Material Chapter 4 Section 3 Chapter 6 Section 1 pages 32 40 in the lab workbook Lab Lab 4 Activity 7 You must attend the section for which you are registered Be on time You have a 5 minute grace period Watch the lectures through Friday September 18 th Suggested HW problems 4 3 Good Ways and Poor Ways to Experiment 4 33 4 34 4 35 4 36 4 43 4 4 Other Ways to Perform Experimental and Nonexperimental Studies 4 48 4 53 End of Chapter Exercises 4 58 4 95 4 101 4 105 Ch 5 Probability in Our Daily Lives 5 1 How Probability Quantifies Randomness 5 1 5 2 5 4 5 7 5 2 Finding Probabilities 5 13 5 17 5 18 5 19 5 21 5 23 5 26 5 3 Conditional Probability The Probability of A Given B 5 28 5 29 5 30 5 31 5 32 5 39 5 4 Applying the Probability Rules 5 55 5 57 5 58 Ch 6 Probability Distributions 6 1 Summarizing Possible Outcomes and Their Probabilities 6 3 6 4 6 5 6 6 6 12 Supplemental Videos Chapter 5 Section 2 More Information about the term Independence Chapter 5 Section 2 Concept of Sample Space and Independence Chapter 5 Section 2 Discussion of Disjoint Chapter 5 Section 2 harder than you would see on the exam Chapter 5 Section Pregnancy Test Example Chapter 5 Section 4 Class example worked out a different way Grades posted in Canvas Quiz EC 1 2 3 4 Lab 1 2 Exam Weekly Reminders for Monday September 21 st through Friday September 25 th Lectures Monday Wednesday and Friday Available 9th period in NRN 137 7 th period in Norman G520 or online Quizzes Quiz 4 Offered Monday September 21 st 8am until Thursday Sept 24 th 11 59pm Three Attempts highest counts Covers Material Chapter 3 Section 4 Chapter 4 Section 3 pages 24 31 in the lab workbook Lab Lab 3 Activity 6 Link to be used in Lab http www stat ufl edu mripol Forearm Ht Foot csv You must attend the section for which you are registered Be on time You have a 5 minute grace period Watch the lectures through Friday September 18 th Suggested HW problems 3 4 Cautions in Analyzing Associations 3 44 3 45 3 47 3 53 3 54 3 55 3 58 End of Chapter Exercises 3 102 3 103 3 104 3 105 3 106 3 107 Ch 4 Gathering Data 4 1 Experimental and Observational Studies 4 2 4 3 4 4 4 7 4 8 4 9 4 11 4 2 Good Ways and Poor Ways to Sample 4 20 4 21 4 22 4 23 4 24 4 26 4 28 4 31 4 3 Good Ways and Poor Ways to Experiment 4 33 4 34 4 35 4 36 4 43 Statistics Outside the Classroom Doors Video Watch the following video from Census at Schools Cholera in London http www census gov schools videos Video at the Top of the Page è Why is this an observational study rather than an experiment Grades posted in Canvas Quiz EC 1 2 3 Lab 1 Exam Weekly Reminders for Monday September 14 th through Friday September 18 th Broward Hall Tutoring Available for STA 2023 You can use the Drop In Tutoring Scheduling or schedule a Private Appointment online at the following website www teachingcenter ufl edu Lectures M onday Wednesday and Friday Available 9th period in NRN 137 7 th period in Norman G520 or online NEW Handout for Wednesday Sept 16 th lecture Handout Quizzes Quiz 3 Offered Monday September 14 th 8am until Thursday Sept 17 th 11 59pm Three Attempts highest counts Covers Material Chapter 3 Section 1 Chapter 3 Section 3 pages 19 24 in the lab workbook Lab Lab 2 Activity 4 You must attend the section for which you are registered Be on time You have a 5 minute grace period Watch the lectures through Friday September 11 th Suggested HW problems 3 2 The Association between Two Quantitative Variables 3 11 3 13 3 14 3 15 3 16 3 21 3 3 Predicting the Outcome of a Variable 3 25 3 26 3 27 3 29 3 30 3 31 3 37 3 25 The regression equation is yhat 6 71 0 024x not 6 71yhat 0 024x 3 25b Do not interpret the y intercept There is no data around x 0 3 31The math SAT score for California is 516 So the residual 516 507 9 The observed value was more than expected Statistics Outside the Classroom Doors Video Watch the first 5 02 minutes of the presentation This is an example of regression being used to predict infant mortality in Kenya for 2008 Notice that the first prediction is way higher than the observed value This is an example of extrapolation in error in predicting too far away from the data observed https www youtube com watch v OT9poH D2Iw Possible Exam Question Initially the predicted child mortality rate was much higher than the actual value What would this tell us about the residual Supplemental Videos Chapter 3 Section 2 Describing Scatterplots Chapter 3 Section 2 Describing Scatterplots Interpreting Slope and Y intercept Chapter 3 Section 2 Comparing Scatterplots and LSR equations Chapter 3 Section 2 Exploring the formula for the Correlation Coefficient You won t be tested on this Chapter 3 Section 3 Interpreting the y intercept Chapter 3 Section 3 Finding the residual Grades posted in Canvas Quiz EC 1 2 Lab 1 Exam EC scores are posted in Canvas but don t appear to be a part of the total score for the course I believe that this is because there isn t an Exam score yet I will check into this again when Exam 1 scores are posted Weekly Reminders for Monday September 7 th through Friday September 11 th New Note In order for Canvas to treat the EC quiz as extra credit I have to upload it as a new grade column into Canvas and make it out of 0 points So at this point you should see the EC quiz score listed as out of 0 points in the gradebook Last week to participate Finding out about the Class Below is a link for a completely optional class survey It is completely voluntary anonymous and confidential Please skip any questions that you don t want to answer Answers will only be used in a summarized form for examples Finding out about the Class http www statcrunch com 5 0 survey php surveyid 12188 code SFKWS Lectures Monday No class Labor Day Holiday Wednesday and Friday Available 9th period in NRN 137 7 th period in Norman G520 or online Quizzes Quiz 2 Offered Monday September 7 th 8am until Thursday Sept 10 th 11 59pm Three Attempts highest counts Covers Material Chapter 2 Section 3 Chapter 3 Section 1 pages 7 18 in the lab workbook Lab No lab all week due to Labor Day Holiday Suggested HW problems 2 3 Measuring the Center of Quantitative Data 2 30 2 32 2 33 2 35 2 36 2 37 2 39 2 40 2 41 2 42 2 4 Measuring the Variability of Quantitative Data 2 47 2 48 2 49 2 50 2 51 2 52 2 53 2 56 2 5 Using Measures of Position to Describe Variability 2 63 2 64 2 65 2 67 2 69 2 70 2 73 2 74 2 75 2 76 2 83 End of Chapter Exercises 2 136 2 138 Ch 3 Association Contingency Correlation and Regression 3 1 The Association Between Two Categorical Variables 3 1 3 2 3 3 3 5 3 9 Statistics Outside the Classroom Doors Video Watch the TED Talk with Hans Rosling that puts the scatterplots that we talk about in action The TED Talk is 20 minutes long however to see the scatterplot in action you only need to see the first 5 minutes https www youtube com watch v hVimVzgtD6w Possible Exam Question What two variables is Hans Rosling looking at over time for countries in the world Supplemental Videos Chapter 2 Section 4 Comparing Boxplots and Histograms Weekly Reminders for Monday August 31st through Friday September 4 th Finding out about the Class Below is a link for a completely optional class survey It is completely voluntary anonymous and confidential Please skip any questions that you don t want to answer Answers will only be used in a summarized form for examples Finding out about the Class http www statcrunch com 5 0 survey php surveyid 12188 code SFKWS Lectures Monday Wednesday and Friday Available 9th period in NRN 137 7 th period in Norman G520 or online Quizzes Two quizzes this week EC Quiz Offered Monday August 24 th 8am until Thursday Sept 3 rd 11 59pm Three Attempts highest counts Covers Material Syllabus Quiz 1 Offered Monday August 31 st 8am until Thursday Sept 3 rd 11 59pm Three Attempts highest counts Covers Material Chapter 1 through Chapter 2 Section 2 pages 1 7 in the lab workbook Lab Lab 1 Act 2 Monday August 31 st until Friday Sept 4 th You must attend the section for which you are registered Be on time You have a 5 minute grace period Watch the lectures through Friday August 28 th Suggested HW problems Ch 1 Statistics The Art and Science of Learning from Data 1 1 Using Data to Answer Statistical Questions 1 1 1 2 1 2 Sample Versus Population 1 8 1 9 1 10 1 11 1 12 1 15 1 16 End of Chapter Exercises 1 24 1 25 1 30

Original URL path: http://www.stat.ufl.edu/~mmeece/STA2023Fall2015.htm (2015-11-08)

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8545 352 273 2992 E Mail ghoshm My Department Web Page Personal Web Page Research Interests Small area estimation case control studies Bayesian inference empirical Bayes analysis James Hobert Professor and Graduate Coordinator 221 Griffin Floyd Hall P O Box 118545 Gainesville FL 32611 8545 352 273 2990 E Mail jhobert My Department Web Page Personal Web Page Research Interests Convergence rates of Markov chain Monte Carlo algorithms Perfect sampling algorithms Connections between Markov chain theory and decision theory Kshitij Khare Assistant Professor 208 Griffin Floyd Hall P O Box 118545 Gainesville FL 32611 8545 352 273 2985 E Mail kdkhare My Department Web Page Personal Web Page Research Interests Graphical models Convergence rates of MCMC algorithms Semi supervised learning George Michailidis Professor and Director of the Informatics Institute 205 Griffin Floyd Hall P O Box 118545 Gainesville FL 32611 8545 352 294 3913 E Mail gmichail My Department Web Page Personal Web Page Research Interests Multivariate Analysis and Machine Learning Computational Statistics Change point Estimation Stochastic Processing Networks Bioinformatics Network Tomography Visual Analytics Statistical Methodology with Applications to Computer Communications and Sensor Networks Megan Mocko Master Lecturer 117B Griffin Floyd Hall P O Box 118545 Gainesville FL 32611 8545 352 273 2975 E Mail mmeece My Department Web Page Personal Web Page Research Interests Statistical education Brett Presnell Associate Professor and Department Chair 225 Griffin Floyd Hall P O Box 118545 Gainesville FL 32611 8545 352 273 2989 E Mail presnell My Department Web Page Personal Web Page Research Interests Nonparametric statistics Resampling methods Maria Ripol Senior Lecturer 117C Griffin Floyd Hall P O Box 118545 Gainesville FL 32611 8545 352 273 2976 E Mail mripol My Department Web Page Personal Web Page Research Interests Statistical education Andrew Rosalsky Professor 206 Griffin Floyd Hall P O Box 118545 Gainesville

Original URL path: http://www.stat.ufl.edu/personnel/Faculty%20Listing/index.html (2015-11-08)

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Department Web Page Andr é Khuri Professor Emeritus Statistics Dates of Service 1976 2007 E Mail ufakhuri Department Web Page Personal Web Page Ramon Littell Professor Emeritus IFAS Statistics CLAS Statistics Dates of Service 1970 2007 E Mail littell at ufl edu Department Web Page Personal Web Page Ronald Randles Professor Emeritus Statistics Dates of Service E Mail rrandles My Department Web Page Personal Web Page P V Rao Professor

Original URL path: http://www.stat.ufl.edu/personnel/Faculty%20Listing/Emeritus.html (2015-11-08)

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below Picture Not Available Bill Campbell Office Manager 102B Griffin Floyd Hall Phone 392 1942 E mail billccampbell Picture Not Available Tina Greenly Accountant 102 Griffin Floyd Hall Phone 392

Original URL path: http://www.stat.ufl.edu/personnel/staffindexII.html (2015-11-08)

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Skripnikov Andrey usdandres Chen Zhe zhe chen Soleymanian Miremad emadsoleymanian Choi Hee Min heemin Tang Xueying xytang Cosic Jelena j elena cosic88 Tao Jin jtao Crow Melissa mcrow Walker Michael walker11 Duerr Isaac iduerr Wang Chuan wchuan Ghosh Satyajit satyajitghosh90 Wang Pei Li peilicat Ha Thanh Trung httrung Wu Yang ywu Jung Yeun Ji snow0907 Xia Wei jjtwwdei Kotarinos Michael mkotarin Xiang Ruoxuan rxxiang Linero Antonio theodds Xu Xiaofan ibictts

Original URL path: http://www.stat.ufl.edu/personnel/graduatestudents.html (2015-11-08)

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Page Michael Daniels Professor e mail address mdaniels Robert Dorazio Associate Professor e mail address bdorazio at usgs gov Web Page Ira Longini Professor e mail address ilongini at ufl edu Web Page Samuel Wu Associate Professor e mail address

Original URL path: http://www.stat.ufl.edu/personnel/Faculty%20Listing/Affiliate.html (2015-11-08)

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