Stat 110 harvard reddit answers

Stat 110 harvard reddit answers. iq. Courses List: Spring 2025. 1. Aside from the very different emphasis, Stat 110 is taught at a much higher mathematical level than Stat 100/102/104. Joe Blitzstein (Department of Statistics, Harvard University) 1 Naive Definition of Probability 1. The practice problems in the book are also very challenging, I try to do half of If you have a strong math background, then honestly you can take 110. Each unit has both practice problems and homework problems. Stats : Hypothesis testing,sampling and other basic stuff. Joe Blitzstein, Professor of the Practice in Statistics Harvard University, Department of Statistics Contact The pass rate for this course is 60%. Smith Campus Center 1350 Massachusetts Avenue, 4th Floor Cambridge, MA 02138 Phone: 617-495-2563 Fax: 617-496-4448 Email: qrd@fas. Fred (the protagonist of HW 6 #1) wants to sell his car, after moving back to Blissville (where he is happy with the bus system). net. Only do a freshman seminar you’re truly interested in. De nition 2. , the course delves into topics such as Brownian Stat 110 and 111 (and 210) with Joe Blitzstein are interesting, useful, and extremely well taught. { Georg Cantor Amazon should put their cloud in a cloud, so the cloud will have the redundancy of the cloud. Your opinion is extremely valuable and helps us in better understanding this disease, even if you've never dealt with lice before! Stat 110 Strategic Practice 3, Fall 2011 Prof. mp4 download 231. Occasionally students self-study the 110 material rather than formally registering for it, and then take 111. Would love to know your guys thoughts. Joe Blitzstein (Department of Statistics, Harvard University) 1 Exponential Distribution and Memorylessness 1. Take both at some point. Math Review for Stat 110 Prof. All work is due at the end of the course. I am the director of undergraduate studies in Stat. 5” by 11”) which can have notes on both sides. Econ has a starting point of 10A, unless you have AP waiver. taking something like CS50, CS51, Stat 110, Stat 111, CS 109a, and CS109b would theoretically net you a secondary in both fields. It says that "GSAS students must maintain a grade point average of at least a B (3. As for whether, you need Stat 110 for cs. I was a stats major and took both cs50 and stat 110. 5 GPA Stat 110 Strategic Practice 9 Solutions, Fall 2011 Prof. Enjoy your first semester! I am looking for an intermediate level probability and statistics course after completing a first course at my university. The professor in 110 does not spoon feed you material, instead teaches you about how to think about Probability and stats. A sample space Sis the set of all possi-ble outcomes of an experiment. How exactly are we supposed to pick courses? Well, your math course is recommended by the placement test. Just as in 2 dimensions uniform in a region means that probability Stat 110 Strategic Practice 3 Solutions, Fall 2011. 37K subscribers in the Harvard community. Consider the Monty Hall problem, except that Monty enjoys opening Door 2 more than he enjoys opening Door 3, and if he has a choice between opening these two doors, he opens Door 2 with probability p Stat 110 Midterm Review, Fall 2011 Prof. Joe Blitzstein (Department of Statistics, Harvard University) 1 Continuing with Conditioning 1. Does anyone have some alternative resources for HW explanations for Professor Blitzstein's STAT 110 problems? (referring to the ones posted on the publicly available course website). The last few lectures of the course are spent onMarkov chains. It is also not offered this year, though it should be offered again next year. But generally, if you don't have any special experience and anticipate falling into the average, then I'd recommend just taking CS 120 + Stat 110. It is about Bayesian statistics, but it will provide you with a very strong foundation for the intuition on stats. cs50 is easier and significantly easier to not stress about grades in. and Susan F. This course will give you the tools needed to understand data, science, philosophy, engineering, economics, and finance. Ec 1011a with Ed Glaeser is a lot of fun and changed how I think about the world. An event A Sis a subset of a sample space. gl/i7njSb. A lecture series on YouTube by Richard McElreath from the Max Planck Institute. You can find extensive materials for self-study at https://projects. You should look into Berkeley's Data 8 . This is way too much to learn on the fly, so in my opinion it's a very bad idea to take 111 without first having a good understanding of the 110 material. 12x+80. For QR Roles: Probability: Stat 110 Harvard assignments, 50 Challenging problems in probability, Heard on the street, Xinfeng Zhou Guide to quant finance interviews. Joe Blitzstein (Department of Statistics, Harvard University) 1 Beta and Gamma Distributions 1. gl/g7pqTo The pass rate for this course is 60%. The subreddit for a university in Boston. and_dont_blink • 2 mo. Both are great classes. You basically can’t take an ML course without it. Joe Blitzstein (Department of Statistics, Harvard University) 1 Covariance and Correlation 1. 041 classes. harvard. 9M 26-conditional-expectation-continued. A free online version of the second edition of the book based on Stat 110, Introduction to Probability by Joe Blitzstein and Jessica Hwang, is now available at http://probabilitybook. Reply. 29K subscribers in the Harvard community. We then introduce random variables, which are essentia The emphasis of Stat 110 is on random variables and their distributions, and on how to use probability to quantify uncertainty and understand randomness. 2: Lecture 7 slides or Compact version: Wed Oct 25: Section 3. Let B ⇠ Beta(a,b). Jul 24, 2021 · This repo houses my self-study artifacts from Harvard's STAT 110 (as taught by Joe Blitzstein) including strategic practice problems, homework, miscellaneous study aids, associated code, and exams/exam prep work. 1. and time can be either discrete or continuous. 2. For stat 110 you can watch the YouTube videos and the questions and other materials are available in edx. If you can do approx the first 10 problems in all 12 chapters, you'll have approx a masters level understanding which will put you in a position to solve lots of interesting problems. Normally I recommend taking 1 or 2 intense, pset-heavy classes at a time but not 3. No, not Tufts. Just as in 2 dimensions uniform in a region means that probability Science Center 400 Suite One Oxford Street Cambridge, MA 02138-2901 P: (617) 495-5496 F: (617) 495-1712 Contact Us The Reddit Law School Admissions Forum. For all of these as well as various other possible STEM concentrations, taking Math 25a and Stat 110 will give you a lot of foundational material that should be well worth the effort required. Both will give you some much needed preparation for CS 124, and it's better to start learning fundamental algorithmic skills earlier than later, which 120 will cover. Propability (Stat 110) 3 months ago Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. There are 100 shoelaces in a box. * Course Schedules Tentative. No calculators, computers, or cell phones are allowed. Speci cally, we will assume that X n takes values in a nite set (the state space), We would like to show you a description here but the site won’t allow us. Most of the ideas can be extended to the other cases. 600 is probably closer. Not touching that. Does anyone know the good habits of students who’ve tended to thrive in Stat 110 by understanding the material and showing that on psets and exams? I’m a prospective Applied Math concentrator thinking about Stat 110 this fall (I will be a first-year). Stat 110 . (a) Compute the covariance of X +Y and X Y. 5. I have been looking at a couple of different options online, and I guess I am teetering between the harvard statistics 110 and the MIT 6. Thoughts on ES 150? I’m contemplating taking this class instead of stat 110 because my current schedule is just very heavy. In Stat 110, we will focus on Markov chains X 0;X 1;X 2;:::in discrete space and time (continuous time would be a process X t de ned for all real t 0). Even if 25a or 110 were offered in the Statistics 110: Probability. Note: These PDFs are relatively large and will likely not render correctly (or at all) via Github. Joe Blitzstein (Department of Statistics, Harvard University) 1 General Information The midterm will be in class on Wednesday, October 12. People who do so will really love it, but I know people who took a seminar and didn’t enjoy it as much because they took it for the sake of taking a seminar. 20 students in a certain Stat 110 section. How many first-year students take it? Is it common, or do people usually take it as sophomores? I have a strong math background, and I’ll also be taking Math 55. The regression equation is reported as. We are a team of 4 students from Harvard & MIT simply conducting a research study on current lice treatments in search of a quicker, cheaper, natural alternative. In Statistics 110, Professor Joe Blitzstein provides students "strategic practice problems," arranged by topic which help then do the problem set. The mathematical level of Stat 170 is somewhat higher than that of Stat 123, e. • 1 yr. pdf. From there, we need 100 R’s and 100 U’s to get to (210;211), so by the multiplication rule the number of possible 14 votes, 15 comments. I'm not a Harvard student, but the classes are available online and thru watching the videos and doing the exercises, I learned a substantial amount of probability - one I didn't The sequence must consist of 110 R’s and 111 U’s, and to determine the sequence we just need to specify where the R’s are located. The Stat110x animations are available within the course and at https://goo. Well, not in Boston, but nearby. You spend years doing algebra and calculus, with lots of variables x,y,z, but none of them are random. 3 and Section 3. , much better food than the others, significantly better housing/social life than Harvard), Harvard if you want to cosplay as an MIT math major, and Stanford for the weather (not to be underplayed). For each part, decide whether the blank should be filled in with =,<,or >,and give a short but clear explanation. 18. 41 votes, 15 comments. Stat 110 Final Prof. Apr 29, 2013 · We compare discrete vs. I teach Stat 110 and look forward to having you in the class, whenever you take it. stat110 has had a more lasting impression on me 10 years later. It's almost purely frequentist, no Bayesian stuff, you re-learn a bunch of formulas you've already seen in AP Stats, and that's the entire course. example. Assuming that all outcomes are equally likely and that the sample space is nite, P(A) = # favorable outcomes # possible outcomes An online class equivalent to Harvard's Stat 111 - Inference. [deleted] • 2 mo. Spring 2024 Course List (pdf) - TBD. 2. It appears to cover more material than STAT 110. I think it is a great combination if you're interested in data science, machine learning, and more broadly for developing extremely versatile and applicable problem-solving skills. Hey guys, so I was looking into getting a secondary in either Stat or CS but noticed in the required courses that they have courses that double count for each other (and I haven't seen a policy that prohibits this?) e. The practice problems are worth 30% of your grade and the homework problems are worth 70%. You will learn not only how to solve challenging technical problems, but also how you can apply those solutions in everyday The concurrent masters program is something that I was thinking of looking into (specifically stat), but the webpage for it states that “admission is often quite competitive. More R for Regression; Question and Answer: Notes for Oct 20 discussion in pdf: Mon Oct 23: Sections 3. Blyth wrote based on the course, "An Introduction to Quantitative Finance" (currently only $28 on Amazon). (a) Find the joint PDF of X,Y,Z. DS: Arrays, Linked Lists, Trees, Graphs are the main Sort by: Mysterious_Fuel_7769. Math 157. If anyone has any experience watching either of these lecture videos and has some feedback (positive or negative) that could help me make my choice that would be great. In particular, Stat 110 requires calculus at the level of Math 1a/1b or above. 55a/25a + 110 has been done before by people with enough comfortability and the confidence to take both classes. Whereas in STAT 110, concepts were introduced more slowly with more emphasis on the intuition behind the formulas/theorems. ), waiting for HT vs. 31K subscribers in the Harvard community. Prof. It covers all the basics of probability— counting principles, probabilistic events, random variables, distributions, conditional probability, expectation, and Bayesian inference. Check out the sidebar for intro guides. The my. Stat 110 Strategic Practice 7 Solutions, Fall 2011 Prof. harvard page lists Stat 110 under “recommended prep” but says it’s a “must take”, while the 2020 syllabus doesn’t mention it at all, only saying CS 121/124 should be taken at least concurrently. Consider the Monty Hall problem, except that Monty enjoys opening Door 2 more than he enjoys opening Door 3, and if he has a choice between opening these two doors, he opens Door 2 with probability p Apr 29, 2013 · We fill in the "Bose-Einstein" entry of the sampling table, and discuss story proofs. For a group of 7 people, find the probability that all 4 seasons (winter, spring, summer, fall) occur at least once each among their birthdays, assuming that all seasons are equally likely. Joe Blitzstein (Department of Statistics, Harvard University) 1 Continuing with Conditioning. continuous distributions, and discuss probability density functions (PDFs), variance, standard deviation, and the Uniform distribution. ago. Try to cover the lecture videos in 2 months rather than 1 week along with the assignment/quizzes just to ch ck your knowledge. Recruiting is brutal and you will get rejected a lot because everyone does, but you need good summer experiences to be a strong candidate for future even better summer experiences and full time, 4) join a campus professional organization and participate in it, 5) take a few classic hard-but-well-taught introductory courses like stat 110 (or at . Two fair six-sided dice are rolled (one green and one orange), with outcomes X and Y respectively for the green and the orange. Scalable Statistical Inference for Big Data with Applications. Joe Blitzstein (Harvard Statistics Department) 1 Sets A set is a Many that allows itself to be thought of as a One. (b) There are 221 110 paths to (110;111), as above. Take Stat 110 instead of an AM course. They're all fairly comparable liberal arts schools. There's essentially no difference between doing Stat-CS and CS-Stat. I heard ENGSCI-150 is generally easier compared to 110. Show your work, and try to check whether your answers make sense. 3. If not, a classic text is Statistical Inference by Cassella, Berger which has lots of useful problems. Joe Blitzstein (Department of Statistics, Harvard University) 1 Inclusion-Exclusion 1. Joe Blitzstein December 15, 2011 This exam is closed book and closed notes, except for four standard-sized sheets of paper (8. Note: I’ve taken AP Stats in high school, though I’m assuming the probability portions of Stat 110 are not at all comparable. I have been self learning the course but a lot of the solutions are pretty unsatisfactory / do not help at all with resolving blockages. We would like to show you a description here but the site won’t allow us. Lecture 25, Nov 4, 2011 Beta-Gamma (bank-post o ce), order statistics, conditional expec-tation, two envelope paradox Lecture 26, Nov 7, 2011 two envelope paradox (cont. Stat 170 focuses on the pricing of assets, portfolio analysis, and derivative pricing. 1 and 3. Do I really need STAT110 for CS at Harvard. 99. CS 50, of course, as well as CS 124, which gave me the tools both to program and to think clearly about algorithms and computing. There aren't really any hard prerequisites at Harvard. Statistics 110: Probability. In STAT 100, students learn to critically think with data by participating in the entire data analysis process — this includes acquiring, wrangling, exploring, visualizing, summarizing, modeling, drawing inferences from and communicating with data. { @dowens A set is a collection of objects. harvard Stat 110 Strategic Practice 1 Solutions, Fall 2011 Prof. Xihong Lin. HARVARD COLLEGE Program in General Education Richard A. So there are 221 110 possible paths. Stat110x is also available as an free edX course, here. Harvard Course Catalogs. mp4 download We analyze the gambler's ruin problem, in which two gamblers bet with each other until one goes broke. edu The emphasis of Stat 110 is on random variables and their distributions, and on how to use probability to quantify uncertainty and understand randomness. Mondays. Right now the best candidate is Harvard's Stat 110 as it has a complete set of video lectures and lecture notes, but I would like to hear your reviews on it and perhaps even your recommendations to other courses. Through a wide range of real world applications, students develop a reproducible workflow for analyzing data in R and learn several tidyverse R I imagine the Harvard stat 110 videos have a text. Students will be introduced to classical Bayesian models, basic computational algorithms/methods for Bayesian statistical inference, as well as their applications in various domain fields; as Bayesian statistics finds its roots and merits in application, this course puts great Stat 110 Strategic Practice 7 Solutions, Fall 2011 Prof. Most of the questions solved in class are some of the hardest questions in the history of Probability. The edX course focuses on animations, interactive features, readings, and problem-solving, and is complementary to the Stat 110 lecture videos on YouTube, which are available at https://goo. Discussion. statistics extend logic into this realm. Read more. I would recommend Stat 110 over this. STAT 111 explores the three main goals of statistics: using data to describe a phenomenon, predict future data, or draw causal conclusions. Jul 23, 2023 · 25-order-statistics-and-conditional-expectation. Of course it depends a lot on your entire schedule, math background, extracurriculars, how much free time you want to have, etc. (a) (probability that the total after rolling 4 fair dice is 21 u/honeymoow 18. Maybe cs50 first because more freshmen will be in it. There is no alternate time for the exam, so please be there and arrive on time! Cell phones must be o↵, so it is a good idea to bring a watch. Find the average number of bags of gummi bears that the first three students get in total, and find the average number of students who get at least one bag. Stat 110 Strategic Practice 9 Solutions, Fall 2011 Prof. g. Yes. Consider the Monty Hall problem, except that Monty enjoys opening Door 2 more than he enjoys opening Door 3, and if he has a choice between opening these two doors, he opens Door 2 with Stat 110 Midterm Review, Fall 2011 Prof. Can I take Stat 110 in my first semester? Does anyone have some alternative resources for HW explanations for Professor Blitzstein's STAT 110 problems? (referring to the ones posted on the publicly available course website). We will systematically introduce the ideas and tools of probability, which are useful in statistics, science, philosophy, engineering, economics, nance, and everyday life. 5 GPA I'm an incoming first year, really interested in math, philosophy, physics, and economics. The prerequisite is STAT 110 (Introduction to Probability). 3: Lecture 8 slides (in color) or Compact version (in black and white) Homework assignment #4, due Mon, Oct 30 Probability courses will takes some time to understand but if you are consistent you can easily go through it. Also explain why the result Stat 110 Strategic Practice 2 Solutions, Fall 2011 Prof. Both the mathematical results of the subject and applications to solving problems Stat 110 Strategic Practice 8 Solutions, Fall 2011 Prof. You can consider joint or double Stat/Math concentrations, or concentrate in one and secondary field in the other. ), conditional expectation (cont. ”. 2025. Each bag is obtained by a random student, and the outcomes of who gets which bag are independent. Glad you're interested in Stat-CS. Hi r/statistics , With the plethora of options for statistics courses online, which Probability and statistics help to bring logic to a world replete with randomness and uncertainty. Just make sure your other two classes aren’t as time intensive (eg Expos). Post any questions you have, there are lots of redditors with admissions knowledge waiting to help. He decides to sell it We would like to show you a description here but the site won’t allow us. Programming: Leetcode (should be able to do medium level problems). For example, proving Vandermonde's identity with a story is easier and Stat 110 Midterm Review, Fall 2011 Prof. I'm currently taking - and almost finishing - Harvard's Stat 110 - Probability. Self study help - STAT 110 explanations. Apr 29, 2013 · Learn the basics of probability and counting in this introductory lecture from Statistics 110, a course taught by Joe Blitzstein at Harvard University. Go to Harvard r/Harvard • View community ranking In the Top 5% of largest communities on Reddit. Meanwhile, you could check out the book that Prof. SC 706. The best place on Reddit for admissions advice. Recruiting is brutal and you will get rejected a lot because everyone does, but you need good summer experiences to be a strong candidate for future even better summer experiences and full time, 4) join a campus professional organization and participate in it, 5) take a few classic hard-but-well-taught introductory courses like stat 110 (or at 20 students in a certain Stat 110 section. Find the distribution of 1 B in two ways: (a) using a change of variables and (b) using a story proof. The edX course focuses on animations, interactive features, readings, and problem-solving, and is complementary Math Review for Stat 110 Prof. You can enroll in most courses without needing to prove any qualifications, it's just up to you to decide if you are prepared to take a course. Stat 123 focuses on derivatives, with an emphasis on interest rate derivatives and issues about trading them in real markets. The objects can be anything: numbers, people, May 23, 2019 · A free online version of the second edition of the book based on Stat 110, Introduction to Probability by Joe Blitzstein and Jessica Hwang, is now available here. y=−50. The course emphasizes a three-pronged approach: deriving results mathematically, running simulations on the computer, and analyzing real data. ES-150. Let A Statistics 110 is an introductory statistics course offered at Harvard University. 3. 6 as applied to material in 3. Also explain why the result STAT 120 provides a comprehensive understanding to the questions as of what is, how and why Bayesian statistics. 00) each academic year", and I have no idea how easy/difficult it is to achieve this for the MS Posted by u/Adept-Chapter-8760 - 14 votes and 9 comments I did however, take STAT 110, and I can honestly say that class is a waste of time unless you have no prior training in probability whatsoever, which I guess is the point since it's an intro class. It takes time to get comfortable with the language and concepts for random quantities. Yale for quality of life (e. 05 looks like it only overlaps with the first third of Stat 110, and includes other topics. 10:30-11:45am. The objects can be anything: numbers, people, I then started Stat 110 Harvard, that wAs a tough course but taught a lot. No, not… Stat 123 is a great course but is not recorded. For best results, download a copy Stat 110 Strategic Practice 6 Solutions, Fall 2011 Prof. Physics has a starting point of 15a or 16. Hi, y'all. Look at the syllabus and do one that really speaks to you. In terms of Stat110, it is an introductory survey course that doesn't go that deeply into any particular topic in probability theory, so you won't I am currently halfway through the course and so far I find it more difficult than STAT 110. There is a lot of advice on doing well in Stat 110 from former students, TFs, and me at. Stat 110 Strategic Practice 3, Fall 2011 Prof. This video covers sample spaces, the naive Recently I was really lucky to be offered a place in the MS Data Science program (received the offer yesterday), but I am a bit intimidated by the degree requirements. Print copies are available via CRC Press, Amazon, and elsewhere. Almost everything in high school math is deterministic. The specific cutoffs to apply for the stat masters are an A- in Stat 110 and 111 and a B in a 200 level stat class by the end of junior fall, as well as a 3. Arandompoint(X,Y,Z)ischosenuniformlyintheballB = {(x,y,z): x2 +y2 +z2 1}. waiting for HH SP 9 (Beta and Gamma distributions, order statistics, conditional expectation), HW 9 Stat 110|Intro to Probability Max Wang Lecture 2 | 9/2/11 De nition 2. Joe Blitzstein (Department of Statistics, Harvard University) 1 Joint, Conditional, and Marginal Distributions 1. af dr ia lj vj or vs gw kt xn