Over 100 tutoring hours

David Y.

Mchenry, IL


Statistics and Mathematics tutor

In-person lessons
Replies in 15 hours
4.8 Avg. Rating
48 Ratings
15hrs Response Time
Interacts well with teens, excellent tutor
— Barbara, Marietta, GA on 4/10/12

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Purdue Univeresity
Purdue University


Purdue Univeresity (Statistics)

Purdue University (Master's)

About David

I have been a statistics and mathematics tutor for over ten years. I have tutored middle school, high school, college undergraduate, and college graduate students in geometry, algebra, trigonometry, pre-calculus, calculus, probability and statistics, statistical software, and SAT/GRE/GMAT Math Prep.

My relevant job experiences include teaching statistics and probability courses at the college level at Purdue University for two years, where I received a Graduate Student Teaching Certificate. I have also been a part-time substitute teacher for 6 years, for grades K-12, in Indiana and Illinois.

I have been using Microsoft Excel, SAS, and SPSS for many years in both an academic and business setting. I have tutored and consulted college students from a wide arrange of backgrounds in all three programs. I am currently employed as a statistical consultant in the Alpharetta area.
I have been a statistics and mathematics tutor for over ten years. I have tutored middle school, high school, college undergraduate, and college graduate students in Read more

24 hours notice required
Travel Radius
Travels within 20 miles of Mchenry, IL 60051
Background Check: Passed
In-person lessons

"Interacts well with teens, excellent tutor"

- Barbara, Marietta, GA on 4/10/12

"Great Tutor"

- Jed, Marietta, GA on 3/9/13

"Great tutor"

- Jill, Marietta, GA on 11/16/12

"Genius! Fantastic GMAT Tutor!"

- John, Roswell, GA on 9/25/12


- Jennifer, Canton, GA on 12/18/11

"Excellent tutor"

- Daniel John, Roswell, GA on 11/16/11

"Awesome Tutor!"

- Heidi, Cumming, GA on 8/12/11
ACT Math, Algebra 1, Algebra 2, Calculus, Discrete Math, Geometry, Prealgebra, Precalculus, Probability,
SAT Math, Statistics, Trigonometry
Microsoft Excel, SAS
GMAT, GRE, Microsoft Excel
Algebra 1, Algebra 2, Calculus, Geometry, Prealgebra, Precalculus, SAT Math, Statistics
Test Preparation:
Corporate Training:
GMAT, Microsoft Excel, Statistics

Approved subjects are in bold.

Approved subjects

In most cases, tutors gain approval in a subject by passing a proficiency exam. For some subject areas, like music and art, tutors submit written requests to demonstrate their proficiency to potential students. If a tutor is interested but not yet approved in a subject, the subject will appear in non-bold font. Tutors need to be approved in a subject prior to beginning lessons.


Many students struggle with probability because it requires the basic analytical skills of memorizing and applying the use of several formulas, as well as the a mathematical maturity forcing students to understand interesting and sometimes confusing problems in the fields of statistics, mathematics, and business.

I have been studying probability since 2003. I have taken several courses on the subject both in my undergraduate and graduate studies at Purdue University. I have also passed the first actuarial exam which has probability as its primary content matter. Beyond taking courses in probability, I have tutored probability since 2004. I have also taught probability courses to undergraduates for two semesters at Purdue.

In these courses we covered set theory, discrete distributions (including Bernoulli, Binomial, Poisson, Negative Binomial, Hypergeometric, and Geometric), and continuous distributions (including Uniform, Gaussian (or Normal), Gamma, and Exponential).


SAS is one of the most popular statistical software programs used both commercially and in academia. Understanding SAS programming will tremendously help any student learning statistics or data management.

I have been using SAS for over five years. I have used SAS in several courses, projects, and work assignments. I have already tutored several statistics courses that have had a heavy focus on the use of SAS, both in programming and more importantly, in interpreting SAS output. I currently use SAS on a daily basis in my job as a financial statistical consultant.

I have used many of the popular statistical procedures such as Proc Freq, Proc Means, Proc Univariate, Proc GLM, and Proc Logistic. I also have experience reading in data sets of various formats. Finally, I am experienced with data management programming syntax and logic, such as if statements and variable transformations, and I am somewhat familiar with macros.

Purdue Univeresity
Purdue University


Purdue Univeresity (Statistics)

Purdue University (Master's)

Interacts well with teens, excellent tutor — David has been available on short notice and connects with my daughter more easily than previous "math brains" we have tried. We like him very much; he focuses on the topic we are concerned with and seeks feedback from my daughter to be sure she is understanding him. In my opinion David has a unique quality. It is frequently VERY difficult for kids who are gifted in language, music, and arts, to ...

— Barbara, Marietta, GA on 4/10/12

Hourly fee

Standard Hourly Fee: $40.00

Cancellation: 24 hours notice required

Travel policy

David will travel within 20 miles of Mchenry, IL 60051.

Background Check Status for David Y.

David Y. passed a background check on 3/3/15. The check was ordered by another user through First Advantage. For more information, please review the background check information page.

After sending a message to David, you will be able to order a new background check for $7.99. As part of your tutor selection process, we encourage you to run updated background checks. Please also review the safety tips for hiring tutors.