Stat2Fa20Syllabus - syllabus PDF

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Syllabus for Statistics 2: Introduction to Statistics University of California, Berkeley, Fall 2020! Instructor: Dr. Cari Kaufman! E-mail: [email protected]! Office hours: Tues/Thurs 2:10-3:30pm on Zoom# Zoom link: https://berkeley.zoom.us/my/carikaufman! GSIs: To be announced! About This Course This course will introduce you to statistical reasoning, which is a framework for learning from data. We’ll start with descriptive statistics that allow us to summarize important features of data we’ve collected without requiring much in the way of mathematical theory or assumptions. Then we’ll move on to probability and inference. Probability gives us a language for talking about how random variability arises in the data we collect. Inference uses the language of probability to help us determine what we can learn from our data despite the presence of that random variability.! In Fall of 2020, Stat 2 is being offered as a remote course delivered online via bCourses and other technology, but the learning objectives have not changed from past semesters. I will do my best to provide you with a learning experience that is similar to what you would get if you were taking this course in person with me.! Read through this syllabus carefully. It describes all the course components and policies and constitutes an agreement between us when you participate in this course.! What You’ll Need The required textbook is Statistics: Fourth Edition by Freedman, Pisani, and Purves.! Note that the paperback version of the fourth edition is fine and usually much cheaper. I will post the first five chapters to bCourses, in case you need time to order a copy.! You will also need a calculator or calculator app that can raise numbers to a power and do square roots. Statistical or graphing calculators are not necessary.! Because this is a remote, online course, you will need a computer with access to the internet. To participate synchronously in labs and office hours, your computer or mobile device will also need the Zoom app, some kind of microphone and, preferably, a camera. Synchronous participation in these course components is recommended but not required.! Finally, you will need a way to create pdf files to upload for assignments, and the supplies you will need are determined by which method you choose to use for this. See the section below on “Uploading assignments” for more details.!

Course Organization The course is organized into ten modules, each of which has between one and four parts. A “part” is equivalent to a traditional lecture, but since this is an online course, there are video lectures for you to watch for each part. Parts also have other components associated with them, described below. ! You have flexibility in how you choose to interact with this course, with both synchronous and asynchronous options for most course components. Synchronous participation is not required, but most components have due dates, so pay close attention to these. All due dates are indicated on the schedule on the last page of this syllabus.! Course Components Here are the components that make up this course. You will also see these listed on the bCourses site, organized by module and parts within each module.! • Reading and suggested practice problems# Most parts have a reading and suggested practice problems from the textbook. You may prefer to do these either before or after watching the lecture videos. The answers to the suggested practice problems are in the back of the textbook. They are for your practice only and are not graded.# • Lecture materials and “live” lectures# Each part will have lecture videos for you to watch. The slides for the lecture videos will also be posted, both with and without my annotations from the videos. I suggest you download the slides without annotations and use them to follow along and add your own notes while watching the videos. # # If you want an experience similar to a live lecture, you may choose to watch the lecture videos for each part during our officially scheduled “lecture” time, which is Tuesday/Thursday from 2:10-3:30 PM, PST. You can post your comments and questions in the associated discussion forum on bCourses, and I will be online during this time actively responding to these. I will also be hold office hours during this time, so if you like you can pause the video, join my office hours via Zoom, and interact with me that way.! • Quizzes# Each part has a short quiz associated with it, to be completed after watching the lecture videos. If you are participating in the “live” lecture, I’d suggest doing the quiz right after this. In any case, the quizzes are each due by 11 PM, PST on the days the “live” lectures are held.#

• Labs# Labs allow you to practice what you are learning by working on problems in a collaborative environment. There are two ways to participate in labs. You may either attend synchronously via Zoom, or you may complete the lab problems on your own. If you choose to complete them on your own, it is strongly recommended that you check your answers against the solutions (posted to bCourses the following day) and bring any questions to office hours.# # Labs are graded based on participation, with 0-2 points awarded for each lab. If you attend your lab via Zoom and participate according to the guidelines your GSI describes, you will automatically get full credit. If you do the lab problems on your own, you will get credit based on the percentage of lab problems you have completed, with 2 points for attempting everything, 1 point for attempting at least half the problems, and 0 points otherwise.# # Note that labs begin on September 9.! • Homework assignments! There are six assignments, each covering material from either one or two modules. Feel free to bring your questions about assignments to office hours and to discuss the assignments with other students. However, the actual work you upload for assignments must be your own.! • Exams# Exams are open book, open notes. Exams are held on bCourses, have a time limit, and consist of multiple choice questions. Everyone’s exam will cover the same material and have the same level of difficulty, but various aspects of the exam will be randomized to deter cheating.# • Office hours# The instructor and GSIs will all hold office hours on Zoom. You may attend any of these, not just those for your assigned GSI. The primary use of office hours is for students to ask course questions and get more individualized tutoring if needed. You can also feel free to ask more general questions about statistical research, career plans, etc. We are here to help!# # Over the years many students have told me they’re hesitant to attend office hours if they’ve gotten behind in the course and they feel embarrassed about this. If you find yourself in this situation, I can tell you that you are not alone, and this is exactly the right time to attend office hours.!

Uploading Assignments We are using a platform called Gradescope to turn in assignments and allow GSIs to grade remotely. You will automatically be added to the Gradescope site with your UCB login credentials.! We will provide you with a pdf copy of each assignment. You will need to upload a pdf of the same file but with your answers filled in. There are two methods for doing this.! Method 1: Using a printer and camera Print out the pdf we provide and write your answers directly on it. Then photograph the pages (for example, using a mobile phone camera) and create a pdf from them. Gradescope provides detailed instructions for doing this here:! https://gradescope-static-assets.s3.amazonaws.com/help/submitting_hw_guide.pdf! If you don’t own a printer but want to use this method, I would suggest using a local print shop or online printing service. Many of these will send printouts to you by mail.! Method 2: Using a tablet device If you have access to a tablet with a stylus and an app that allows annotation of pdfs, you can skip printing and use the tablet to add your answers to the pdf file directly. Then upload this annotated file to Gradescope.! Late Policy Give yourself plenty of time to turn in assignments by the due date and time, to account for unforeseen issues with printers, internet connections, etc. Quizzes and labs are not accepted for credit late. If you turn in a homework assignment within 24 hours after the due date and time, you will receive partial credit corresponding to 60% of the points you would have received.! Course Grades Course grades will be calculated according to the following breakdown:! & & & & &

10%& 20%& 50%& 8%& 12%&

Quizzes (lowest 5 of 25 dropped)! Labs (lowest 5 of 20 dropped; review labs don’t count toward grade)! Assignments (lowest 1 of 6 dropped)! Exam 1! Exam 2!

For quizzes, labs, and assignments, dropping the lowest grades means that these scores will be automatically removed before calculating your course grade. This allowance is meant to cover possible illness, poor internet connections, other outside commitments, etc. You do not need to notify the instructor or GSI if you are going to drop one of these. Please do get in touch with us ASAP if you have a circumstance that exceeds the allowable number of dropped grades.! To try to keep grading consistent across semesters, I may occasionally curve an individual assignment or exam. I will do this only if I made the assignment or exam harder than I intended, and no one’s scores will decrease as a result of the curve. This will happen very rarely, probably not at all. I do not curve the overall course grades.! The assignment of letter grades is as follows:! & & & &

90-100%& A-/A/A+ range! 80-90%& B-/B/B+ range! 60-80% & C-/C/C+ range! Below 60% & F!

If you are taking the class pass-fail, the cutoff for passing is 60%. The bCourses grade book uses the grading scheme above, so you can always check your current course grade there. As a matter of course policy, I do not round up when calculating letter grades.! Academic Integrity Any assignment or exam submitted by you is presumed to be your own original work. While you are encouraged to work together on the lab problems and assignments, there is no value to you in copying someone else’s work. If you are not clear about the expectations for completing an assignment or taking an exam, be sure to seek clarification from the instructor or GSI beforehand. Any evidence of cheating will be subject to disciplinary action, at minimum a failing grade on the assignment or exam in question. Students With Disabilities If you need accommodations, please work with the Disabled Students Program so that your GSI and I can be officially notified of these. We will then get in touch to provide you with further details.

Stat 2 Fall 2020 Schedule Week beginning

Monday

Tuesday

Wednesday

Thursday

Aug 24 -

-

-

Lecture 1! ☐ Quiz 1

Aug 31 -

Lecture 2! ☐ Quiz 2

-

Lecture 3! ☐ Quiz 3

Sep 7 -

Lecture 4! ☐ Quiz 4

☐ Lab 1

Lecture 5! ☐ Quiz 5

Sep 14

☐ Lab 2

Lecture 6! ☐ Quiz 6

☐ Lab 3

Lecture 7! ☐ Quiz 7

Sep 21

☐ Lab 4! ☐ Assignment 1 due

Lecture 8! ☐ Quiz 8

☐ Lab 5

Lecture 9! ☐ Quiz 9

Sep 28

☐ Lab 6

Lecture 10! ☐ Quiz 10

☐ Lab 7

-

-! ☐ Assignment 2 due

-

Review lab! (go over Practice Exam 1)

-! ☐ Exam 1 (2:10 pm, PST)

Oct 12 -

Lecture 11! ☐ Quiz 11

☐ Lab 8

Lecture 12! ☐ Quiz 12

Oct 19 ☐ Lab 9

Lecture 13! ☐ Quiz 13

☐ Lab 10

Lecture 14! ☐ Quiz 14

Oct 26 ☐ Lab 11! ☐ Assignment 3 due

Lecture 15! ☐ Quiz 15

☐ Lab 12

Lecture 16! ☐ Quiz 16

Nov 2 ☐ Lab 13

Lecture 17! ☐ Quiz 17

☐ Lab 14

Lecture 18! ☐ Quiz 18

Nov 9 ☐ Lab 15! ☐ Assignment 4 due

Lecture 19! ☐ Quiz 19

-

Lecture 20! ☐ Quiz 20

Oct 5

Nov 16

☐ Lab 16

Lecture 21! ☐ Quiz 21

☐ Lab 17

Lecture 22! ☐ Quiz 22

Nov 23

☐ Lab 18! ☐ Assignment 5 due

Lecture 23! ☐ Quiz 23

-

-

Thanksgiving week

Nov 30

☐ Lab 19

Lecture 24! ☐ Quiz 24

☐ Lab 20

Lecture 25! ☐ Quiz 25

Last week of lectures/labs

Dec 7 ☐ Assignment 6 due Dec 14

Review lab! (go over Practice Exam 2) ☐ Exam 2 (8:10 am, PST)

RRR week Finals week

Notes: • “Live” lectures are held on Tuesdays/Thursdays and Labs are held on Mondays/Wednesdays through the week of Nov 30 except where indicated by a dash (-).! • Readings and suggested practice problems are given on bCourses to accompany most lectures.! • Items that contribute to your grade are marked with a checkbox. With the exception of exams (whose times are indicated), these must be uploaded successfully by 11 pm, PST on the dates indicated.! • The lowest scores are automatically dropped for 5 quizzes, 5 labs, and 1 assignment....