Fall 2009, Math 127A, Sections 01 — 10.
Probability and Statistical Inference I.
Contact Information
Instructor
- Professor Mrinal Raghupathi
- 1403 Stevenson Center
- Email: firstname [dot] lastname [at] universityname [dot] edu
- Office hours: Monday and Wednesday, 10:15 am — 11 am.
- In addition the TAs will hold office hours and a recitation.
Teaching Assistants
| Name | Section(s) | Recitation | Office Hours |
|---|---|---|---|
| Logan Altman | 01 | R 8:10 am, SC 1310 | M 10 am — 12 noon, SC 6411 |
| 08 | R 3:05 pm, SC 1210 | ||
| Nancy Gunzenhauser | 09 | R 3:10 pm, BT 309 | T 5 pm — 7 pm, SC 1313 |
| Emma Hanson | 03 | R 8:10 am, SC 1312 | T 5 pm — 7 pm, SC 1313 |
| Shaun Limbeek | 02 | R 8:35 am, SC 1210 | T 5 pm — 7 pm, SC 1313 |
| Meghan McWilliams | 04 | R 11:10 am, SC 1312 | T 5 pm — 7 pm, SC 1313 |
| 05 | R 12:15 pm, SC 1210 | ||
| Michael R. Ross | 06 | R 12:15, SC 1312 | W 5:30 pm — 7:30 pm, SC 1214 |
| 07 | R 2:10, SC 1214 | ||
| Christopher Ryan | 10 | R 4:10, SC 1210 | T 5 pm — 7 pm, SC 1313 |
Syllabus
Syllabus (PDF)
Replacement of in-class scores
I will replace the lower of the two semester in-class exams with the higher one. For example if you get a 56 out of 80 and a 72 out of 80 then effectively you have two scores of 72.
Spreadsheets, datasets and hand-outs
Spreadsheets from class can be found below. They are available in both Excel (.xls) and OpenOffice format (.ods). The formulas are in the cells and you can view a formula by clicking on the cell. You can edit a formula by pressing the F2 key, double clicking on the cell, or editing the cell from the toolbar above the spreadsheet.
- September 9th, 2009.
- Students' years. Included in the spreadsheet: the raw data, frequency table, and frequency plots.
- (Excel) (OpenOffice)
- October 12th, 2009.
- M&M survey data. Included in the spreadsheet: raw data, data for blue M&Ms, five-number summary, histogram.
- M&M sample data. (Excel) (OpenOffice)
- Data for some homework problems in csv format. You can import these directly into excel, openoffice or google docs.
- November 16th, 2009
Exams
- Midterm exam 1. October 7th, 2009, in class.
- Review Session Monday, October 5th, 2009, 7pm, Wilson 103
- Exam content: sections 1.1 &mdash 1.4, 2.1, 2.2, 3.1 &mdash 3.5.
- Slides from the review can be found here.
- Stock prices spreadsheets (Excel) (OpenOffice) (Text CSV)
- Take-home part of the exam
- Midterm exam 2. November 18th, 2009, in class. Take-home exam is due Thursday, December 3rd, 2009 in the recitation.
- Review Session: Monday, November 16th, 2009, 7pm, Wilson 103
- Exam content
- in-class: 4.1 -- 4.3, 5.1 -- 5.4
- take-home: same as in-class
- Sample exam
- Solutions to sample exam
- Slides from the review can be found here.
- Take-home part of the exam
- Final Exam. Saturday, December 19th, 2009, 9 am.
- Alternate Final Exam. Tuesday, December 15th, 2009, 12 noon.
- Review Session: Friday, December 11th, 2009, 10am — 12 noon, Wilson 103
- Exam content: 1.1 — 1.4, 2.1 — 2.2, 3.1 — 3.5, 4.1 — 4.3, 5.1 — 5.4, 6.1 — 6.2.
- Sample exam
- Solutions to sample exam. Partial solutions are provided for some of the problems that were discussed in the review. An answer key is also given.
- Slides from the review can be found here.
Quizzes
- September 3rd, 2009, Quiz 1.
- Chapter 1.1
- The quiz will test the concepts of research objective, population, and sample. You do not need to know about sample statistic, population parameter, or variables for this quiz.
- September 10th, 2009, Quiz 2.
- The quiz will be over 1.2 -- 1.4.
- You should know the difference between a cluster sample and a stratified sample, and you should know the relation between sample size, population size, sample proportion and the value of k.
- September 17th, 2009, Quiz 3.
- The quiz will be over 2.1.
- You should know how to read and make a frequency/relative frequency table and draw and interpret a frequency plot (bar chart). You should also know how to find the range, maximum and minimum.
- September 24th, 2009, Quiz 4.
- Chapter 2.2 and 3.1.
- You should know how to read a histogram, determine class width, and compute mean, median and mode.
- October 1st, 2009, Quiz 5..
- Chapter 3.2 and 3.3.
- You should know how to compute the mean, weighted mean, mean for grouped data, variance and standard deviation for frequency and grouped data, and Chebyshev's inequality.
- October 8th, 2009. No quiz.
- October 29th, 2009, Quiz 6.
- Chapter 4.1 -- 4.3.
- Understand the term linear relationship. Decide whether a scatter plot indicates a linear or nonlinear relationship. Decide whether a linear model is appropriate using residual analysis. Predict values based on linear regression models.
- November 5th, 2009, Quiz 7.
- Chapter 5.1 -- 5.2.
- Sample spaces, events, probability models, and two-way tables. Use the complement, addition rules. Disjoint events.
- November 12th, 2009, Quiz 8.
- Chapter 5.3 -- 5.4.
- Independent events, multiplication rule, conditional probability, general multiplication rule.
- Solutions to this quiz
- No more quizzes.
Homework
- Thursday, September 3rd, 2009.
- Discuss the problems below in class.
- This week you are not required to submit homework.
- Section 1.1: All problems (1 -- 61).
- Don't panic if you can't do every single problem, but you should try
- Thursday, September 10th, 2009.
- Discuss these problems in recitation.
- This week you are not required to submit homework.
- Section 1.2: 9 -- 16.
- Section 1.3: 9 -- 16 (You should also read and try the technology step-by-step section).
- Section 1.4: 12, 14, 16, 20, 22, 24, 26, 28, 32.
- Thursday, September 17th, 2009.
- Discuss these problems in recitation.
- This week you do not have to submit homework.
- Section 2.1: 11, 13, 25, 26, 30.
- Section 2.2: 11, 12, 15, 16, 23 -- 26, 32.
- Thursday, September 24th, 2009.
- Discuss these problems in recitation.
- Do not submit problems from the book.
- Section 3.1: 7 -- 12, 17, 18, 21, 25, 32, 35, 41, 43
- Section 3.2: 11 -- 17, 20 -- 22, 23, 33, 34, 36, 39, 43.
- Submit your results from the M&M sample.
- Here is a link to the PDF file where you can fill out your answers.
- You also need to fill out the survey on OAK by 12 noon Sunday, September 27th, 2009.
- Thursday, October 1st, 2009.
- Discuss these problems in recitation.
- Submit the problems marked with a star.
- Section 3.3: 3 -- 5, 6*, 7 -- 8, 12*, 15 -- 16
- Section 3.4: 9 -- 20, 21*, 22*, 23*, 24 -- 26.
- Thursday, October 8th, 2009.
- Learn how to make a boxplot (also called a box and whisker plot) by reading chapter 3.5. Discuss these problems in recitation.
- Do not submit any of these problems.
- Section 3.5: 3 -- 7, 9 -- 10.
- Thursday, October 15th, 2009.
- Read section 4.1, 4.2.
- The problems below that are marked with a star require you to download the data (links above) and do the calculations either in a spreadsheet or on a calculator.
- Do not submit any of these problems.
- Section 4.1: 1 -- 8, 9 -- 22 (odd), 24*, 33*.
- Section 4.2: 1 -- 8, 9 -- 20 (odd), 22*, 26*
- Thursday, October 29th, 2009.
- Read section 4.1, 4.2 and 4.3.
- The problems below that are marked with a star require you to download the data (links above) and do the calculations either in a spreadsheet or on a calculator. Note some of these problems are a repeat of those from a couple of weeks ago.
- Do not submit any of these problems.
- Section 4.1: 1 -- 8, 9 -- 22 (odd), 24*, 33*.
- Section 4.2: 1 -- 8, 9 -- 20 (odd), 22*, 26*.
- Section 4.3: 1 -- 20, 21*, 24, 34*.
- Thursday, November 5th, 2009.
- Read sections 5.1, 5.2.
- Discuss the following problems in recitation.
- Do not submit any of these problems.
- Section 5.1: 11 -- 30 (even), 32, 34, 36, 37, 42.
- Section 5.2: 5 -- 24, 26, 27, 32, 33, 46.
- Thursday, November 12th, 2009.
- Read sections 5.3, 5.4.
- Discuss the following problems in recitation.
- Do not submit any of these problems.
- Section 5.3: 7 -- 32 (odd).
- Section 5.4: 3 -- 19 (odd), 27, 30, 37, 43.
- Thursday, November 19th, 2009.
- The TAs will discuss the in-class part of the exam.
- Thursday, December 3rd, 2009.
- Read sections 6.1, 6.2.
- Discuss the following problems in recitation.
- Do not submit any of these problems.
- Section 6.1: 11, 13, 15, 21, 22, 26, 28, 31, 35, 36
- Section 6.2: 7 — 16 (odd), 17, 18, 23, 28, 29, 35, 38, 40, 42, 50, 51
Links
- MyStatLab.
- This is where you access all the online course materials that accompany the book. To enroll you will need the following information:
- Course ID: raghupathi50986
- Course Name: Introduction to Statistics MATH 127A
- You must enroll by Sunday, September 13th, 2009
- Vanderbilt
OAK.
- Check your grades here.
- Surveys will be posted here in time.
- Wordle.net.
- this is the site where you can make word clouds of text. The area of the words in the word cloud are proportional to the number of times the word appears in the text. This is an example of a frequency plot.
- Google Docs
- Google docs provides an easy to use spreadsheet application with much of the functionality we need. It's a free alternative to Excel and openoffice that you can use if you don't have access to Excel.