Petra Corretjer De O'neill
Grade 10Statistics

Petra Corretjer De O'neill – Statistics

Jun 2026 · Summer Semester

Statistics · Petra Corretjer De O'neill
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Hypothesis Testing

Conduct significance tests for means and proportions, interpret p-values and Type I/II errors.

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David
University of Pennsylvania
I'm an archaeology PhD student at the University of Pennsylvania with extensive teaching experience at the college level. I've taught at Penn, University of the Sciences, and Methodist University in various social sciences, including anthropology, sociology, statistics, public health, and psychology. As a teacher, I'm guided by the idea that what I'm doing with students should be useful to them long-term. Making topics interesting, relevant, and accessible is of paramount importance because it allows students to hone skills that they'll use for the rest of their lives. Teaching is fun for me because I love getting to facilitate and witness my students' breakthroughs. There's nothing better than getting to that eureka moment!
AP Statistics
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Carina
University of Pennsylvania
I have a bachelor's degree in Business Economics from the Wharton School at the University of Pennsylvania (GPA 4.0) and previously graduated from The Lawrenceville School cum laude. I am currently pursuing a Master's Degree at the London School of Economics. I began tutoring in 2019 and have worked with students of all ages and backgrounds. I'm open to tutoring a very broad range of subjects, with the most experience in math, econ, and test prep. Please reach out if you're interested in working with me or if you have any questions!
Statistics
AP Calculus AB
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William
MIT
From my experience teaching math to a range of students, from middle school through college, I know that it does not come easily to everyone. However, I firmly believe that everyone has the capability for mathematical reasoning. Everyone has their own strengths and challenges, and my job as a tutor begins with identifying these. I like to have students work through problems while I guide them and make suggestions, so that I can get a sense of what they understand and what they don't. Then we can build on their knowledge and break down the challenging parts of the problem into smaller, more manageable chunks. I hold a bachelor's degree from UChicago and a doctorate from MIT, both in mathematics. I am available to tutor Latin, physics, and all levels of math. Outside of academics, I am an avid tournament chess player, and I enjoy running and cycling.
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Kevin
Stanford University
I am interested in working for Varsity Tutors because I enjoy helping others learn new concepts and progress in whatever they are struggling with. I have significant experience tutoring with a variety of age levels and would be delighted to have an opportunity to work with students through this opportunity.
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