Timothy Allison-Aipa Statistics
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Hi, I'm an experienced statistics tutor. Tutoring is incredibly rewarding for me and I like to help my students improve their grades and confidence.

Here's some feedback from my students:

“Tim was so helpful. He understood what I was trying to do with my dissertation research analysis and took the time to explain everything to me in a way I could easily follow. He helped me out of a real mess – and on a short deadline. He saved my doctoral program. I was about to give up! I highly recommend him.” – J. Gonzalez, doctoral candidate, Texas Tech University

“Tim is a wonderful statistics tutor. He explained concepts and SPSS to me in a way I could understand. Tim is skilled, smart and patient!” – Michelle

“Tim is an absolutely fantastic statistician and tutor! He worked with me one-on-one for several months, going through every statistical measurement & analysis method (using SPSS v.24) that was needed, explaining everything in a way that I could easily understand, & even helping me with the wording of the results. He was patient & kind, which really helped as I was under a lot of pressure at the time. I must give him a lot of credit for helping me obtain my PhD. I can’t say strongly enough what a positive experience it was! 😊” – Kathleen

“Tim has guided me through my statistics course in my MBA program with fantastic results. Really appreciate your help, a few parts were very difficult for me. Couldn’t have done it without you!” – J. Paul

“Statistics was a difficult course for me. I struggled the entire semester. I never missed a day of class, but I just couldn’t grasp the concepts. I did online tutoring with Tim a few days before my final exam. I received my progress report the day of my final exam, I had 67 points “D”. The final exam was worth 20 points, I passed the class with “B”! Thanks a million Tim!!! I couldn’t have done it without you!!!” – Keela

“I cannot express how wonderful and appreciative i am with the tutoring that i received from Tim. I had the pleasure of having him as my professor and as my dissertation reader. On more than one occasion, he was willing to meet with me in person to review material and was always easily available via phone/email. I highly recommended him for any student. You will not be disappointed! :)” – Raquel

“My first tutoring session with Tim was great. He took the time to not only help me with what I need help with, but he took the time to explain concepts that set the stage for true comprehension on my part. Overall a great experience.” – Cynthia

“I am very satisfied with the assistance I have received from Tim. He is very patient and understanding with the way he explains the subject matter. Very polite individual whom I wish I had known much earlier. I am glad for the opportunity to met Tim.” – Tony

“Tim was incredibly helpful and immediately understood where I needed help. He helped me articulate concepts I had difficulty with. Also, he did not take advantage of my pressure or deadline and is very reasonable with his charges. I highly recommend him! My degree was a doctorate in social work. He is great for stats. for any degree including the doctoral level.” – Shirley

“I would like to give an outstanding review of Tim’s ability to assist with statistics. I have a PhD in psychology and decent stats training, but needed Tim to assist me with some more complicated questions regarding a few papers I am working on. In this capacity, Tim was extremely helpful, and his extensive knowledge about different types of statistical models (both in terms of research design, and interpreting SPSS output) was quite evident. I have worked with Tim now on numerous projects, and he has been very helpful each time we work together. I would highly recommend him to undergraduate or graduate students needing help with their research, or more senior investigators needing a statistical consultant. Thanks Tim!” – Brandon

“Tim is everything you could ask for in a tutor. Very knowledgable, supportive and easy to work with. I highly recommend him!!” – Holly

“Any RN like me who struggled c stats call this guy. He saved me. Made sense of what I never thought I would get. Well worth it.” – Leslie

“Tim has helped me with my Masters level Introduction to Statistics and my Masters level Year Long Thesis project. He was thorough and patient because I had a lot of trouble with statistics. During our work together, Tim helped me understand various component of my project. With his help I was able to successfully pass my Masters Thesis. Thank you, Tim!” – Valeria

Subjects

  • Statistical Analysis Beginner-Expert

  • Statistical inference Beginner-Expert

  • Statistical learning Beginner-Expert

  • Statistical Methods for Business Beginner-Expert

  • Statistical Data Analysis Beginner-Expert

Experience

  • Associate Faculty (Adjunct) (Dec, 2006–Jan, 2023) at University of Phoenix
    Taught working adult students (undergraduate and graduate) in the School of
    Business and College of Social Sciences in these subjects: Applied Business
    Research & Statistics; Statistics For Decision Making; and Research and Statistics for the Social Sciences.
    In these courses, I taught:
    • Definition of basic statistics vocabulary and concepts.
    • Application of descriptive statistics methods to qualitative and quantitative data via MS Excel (Mega
    Stat and Analysis ToolPak) and SPSS.
    • Utilization of probability concepts to calculate probability and interpret probability distributions.
    • Understanding of analytical methods used to make inferences about population properties based on sample data (i.e., correlations, t-tests, ANOVA, regression) and nonparametric methods (i.e., Chi- square, Kruskal-Wallis, Mann-Whitney, and Spearman Rank Correlation).
    • An examination of additional analytical methods in order to make business decisions.
    In my courses, students applied statistics and probability concepts to business decisions. Students learn important criterion for developing effective research questions, including the creation of appropriate sampling populations and instruments. Other topics include: descriptive statistics, probability concepts, confidence intervals, sampling designs, data collection, and data analysis--including hypothesis and regression analysis.

Education

  • Organizational Psychology (Sep, 1992–Jun, 1999) from Alliant International University

Fee details

    US$20–40/hour (US$20–40/hour)

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