1st lesson free
One of our best tutors. Quality profile, experience in their field, verified qualifications and a great response time. Ammar will be happy to arrange your first Statistics lesson.
Ammar
One of our best tutors. Quality profile, experience in their field, verified qualifications and a great response time. Ammar will be happy to arrange your first Statistics lesson.
- Rate TSh 46,801
- Response 2h
-
Students50+
Number of students Ammar has accompanied since arriving at Superprof
Number of students Ammar has accompanied since arriving at Superprof
TSh 46,801/hr
Contact
1st lesson free
- Statistics
Master Statistics, Probability, Data Analysis, and Econometrics using SPSS, R, Stata, SAS, and Power BI with a PhD Engineer & Professor | 25+ Years’ Expertise | Students, Researchers & Professionals
- Statistics
Lesson location
Ambassador
One of our best tutors. Quality profile, experience in their field, verified qualifications and a great response time. Ammar will be happy to arrange your first Statistics lesson.
About Ammar
I am a PhD Engineer, university professor, researcher, and multidisciplinary educator with more than 25 years of experience in statistics, research methodology, data analysis, engineering, mathematics, programming, and applied quantitative research.
I have taught and supported university students, graduate researchers, doctoral candidates, engineers, analysts, managers, and professionals. My experience includes research design, survey analysis, experimental and observational studies, statistical modelling, thesis and dissertation support, data validation, and interpretation of complex analytical results.
My teaching philosophy is based on a clear principle: statistics should be understood as a reasoning process—not treated as a sequence of software commands.
I explain how the research question determines the analysis, why a statistical method is appropriate, what assumptions it requires, how the calculations and software output should be interpreted, and how to distinguish statistical significance from practical or scientific importance.
My expertise includes:
• Descriptive statistics, probability, sampling, estimation, and hypothesis testing
• t-tests, ANOVA, ANCOVA, repeated measures, and nonparametric methods
• Correlation, multiple regression, logistic regression, and model diagnostics
• Chi-square analysis, categorical data, risk, odds, and association measures
• Reliability analysis, exploratory factor analysis, principal component analysis, mediation, and moderation
• Data preparation, missing values, outliers, transformations, assumptions, and quality validation
• IBM SPSS Statistics, SPSS syntax, Microsoft Excel, R, Python, Jamovi, and JASP
• Research methodology, questionnaire analysis, APA-style reporting, and thesis or dissertation support
Lessons are personalized to your level, discipline, research design, dataset, and objectives. I can help you understand statistics systematically, select an appropriate analysis, correct errors in an existing procedure, interpret output, prepare for an examination, or develop a complete research-analysis workflow.
My goal is to help you become accurate, confident, and independent. You should leave each lesson understanding what was analyzed, why the method was selected, what the results mean, what limitations remain, and how to report the conclusions responsibly.
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About the lesson
- Ordinary Level
- Form 5
- Ordinary Diploma
- +7
levels :
Ordinary Level
Form 5
Ordinary Diploma
Tertiary Education
Adult Education
Master’s Degree
MBA
Form 6
PhD / Doctorate
ACCA
- French
- English
All languages in which the lesson is available :
French
English
Statistics becomes much easier when formulas, assumptions, software output, research questions, and real-world interpretation are connected clearly.
My lessons help you move beyond mechanically running tests in SPSS or memorizing formulas. You will learn how to define the analytical question, identify the variables and measurement levels, select an appropriate statistical method, check its assumptions, interpret the output correctly, and communicate conclusions without overstating the evidence.
Each lesson is personalized to your current level, course, assignment, thesis, dissertation, dataset, examination, or professional objective. We begin by identifying your research question, data structure, expected output, software environment, and main conceptual or technical difficulties. We then establish a focused analytical plan.
The first free lesson combines a discussion of your background, objectives and tutoring needs, an initial assessment of your current knowledge, personalized planning and scheduling, and a short trial lesson so that we can determine the most effective way to work together.
A- STATISTICAL FOUNDATIONS
• Populations, samples, parameters, statistics, variables, observations, data types, and measurement levels
• Descriptive versus inferential statistics, sampling variability, probability, distributions, and statistical reasoning
• Understanding formulas conceptually rather than applying them mechanically
B- DATA PREPARATION AND QUALITY
• Coding variables, defining labels and values, importing data, restructuring files, and creating derived variables
• Missing values, duplicates, inconsistent entries, outliers, data-entry errors, and logical validation
• Data screening, distribution assessment, transformations, and documentation of analytical decisions
C- DESCRIPTIVE STATISTICS
• Frequencies, percentages, ratios, means, medians, modes, ranges, variance, standard deviation, quartiles, and percentiles
• Tables, cross-tabulations, distributions, box plots, histograms, bar charts, and other statistical graphics
• Describing patterns accurately and selecting summaries appropriate to the data type
D- PROBABILITY AND SAMPLING
• Probability rules, conditional probability, counting methods, random variables, and expected values
• Binomial, normal, and other relevant probability distributions
• Sampling methods, sampling distributions, the central limit theorem, standard errors, and margins of error
E- ESTIMATION AND HYPOTHESIS TESTING
• Confidence intervals, null and alternative hypotheses, significance levels, p-values, effect sizes, and statistical power
• Type I and Type II errors, one-tailed and two-tailed tests, and practical versus statistical significance
• Selecting, conducting, interpreting, and reporting appropriate statistical tests
F- COMPARING GROUPS
• One-sample, independent-samples, and paired-samples t-tests
• One-way and factorial ANOVA, repeated-measures ANOVA, ANCOVA, and post-hoc comparisons
• Nonparametric alternatives, including Mann–Whitney, Wilcoxon, Kruskal–Wallis, and Friedman tests
G- ASSOCIATION AND REGRESSION
• Correlation, covariance, partial correlation, and interpretation of relationships
• Simple and multiple linear regression, model specification, coefficients, confidence intervals, and prediction
• Logistic regression, categorical outcomes, odds ratios, and introductory generalized models when appropriate
• Assumptions, multicollinearity, residuals, influential cases, model fit, and diagnostic analysis
H- CATEGORICAL DATA ANALYSIS
• Cross-tabulations, chi-square tests, expected frequencies, standardized residuals, and measures of association
• Binary and multinomial outcomes, contingency tables, risk, odds, and interpretation
• Choosing methods appropriate to categorical variables and sample conditions
I- SCALE DEVELOPMENT AND MULTIVARIATE METHODS
• Reliability analysis, Cronbach’s alpha, item–total statistics, and scale evaluation
• Exploratory factor analysis, principal component analysis, factor retention, rotation, and interpretation
• Mediation, moderation, interaction effects, path analysis foundations, and other agreed multivariate methods
J- SPSS AND COMPLEMENTARY TOOLS
• IBM SPSS Statistics: Data View, Variable View, menus, syntax, output, charts, and export
• SPSS data management, transformations, recoding, Compute Variable, Select Cases, Split File, Weight Cases, and Merge Files
• Microsoft Excel, R, Python, Jamovi, JASP, or other tools when they support the learner’s project
• Syntax is encouraged when reproducibility, accuracy, or repeated analysis is important
K- RESEARCH ANALYSIS AND REPORTING
• Translating research questions and hypotheses into a defensible analytical strategy
• Selecting analyses according to the study design, variable types, assumptions, and sample size
• Interpreting tables, coefficients, p-values, confidence intervals, effect sizes, and diagnostic results
• Preparing APA-style or institution-specific tables, figures, results sections, and methodological explanations
A typical lesson may include theoretical explanation, review of the research design, data screening, live software analysis, output interpretation, assumption checking, error diagnosis, and preparation of a clear results summary.
You may work with your own assignment, survey, thesis, dissertation, research dataset, professional study, or examination material, provided that confidential information is handled appropriately.
My objective is not merely to tell you which SPSS menu to select or whether a p-value is below .05. It is to help you understand why the analysis is appropriate, what its assumptions mean, how to verify the result, and how to draw conclusions that are statistically and scientifically defensible.
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Review
All of our reviews are collected by us and are 100% reliable. They correspond to a real experience lived by the students of Ammar.
5 (55 reviews)
Perfect! Ammar is a really nice and patient tutor, he is really professional and working with him is really a pleasure
Perfect! Bonjour, merci beaucoup pour le cours d’aujourd’hui avec ma fille. Même si je n’étais pas à côté d’elle, j’ai vu qu’elle était très satisfaite et qu’elle a appris quelque chose qu’elle trouvait difficile. Je suis content du travail fait aujourd’hui. Pour la suite, on pourrait commencer les cours à 18 h 30, si cela vous convient. Merci encore.
- Hadya est une élève très intelligente, patiente et profondément curieuse. Elle démontre un grand intérêt pour la découverte et l’exploration des connaissances, tout en faisant preuve d’une excellente capacité de réflexion. Elle possède une force mentale remarquable qu’elle devrait continuer à valoriser, maintenir et développer davantage. Hadya assimile rapidement les nouvelles notions et se distingue par un raisonnement logique et mathématique très solide. Son sérieux, sa persévérance et sa capacité analytique font d’elle une élève très prometteuse.Ammar's response :
Perfect! Really took the time to understand what my course materials involves. Offered to make me practice tests which are really appreciated. Very logical when explaining.
Perfect! Ammar is a very intelligent and great teacher
- Vera is a thoughtful, capable, and determined individual who approaches her work with seriousness and care. She is intellectually curious, dependable, and committed to continuous growth. I am pleased to recommend her and confident in her ability to succeed.Ammar's response :
Perfect! We are extremely happy with Mr. Ammar. He is patient, clear, and very encouraging, which has made a big difference in my daughter’s understanding of math. Concepts that once felt overwhelming are now much easier for her to grasp. I highly recommend him to any parent looking for a reliable and supportive tutor.
- Mika is a wonderful student—very attentive, very smart, and deeply committed. She grasps new material quickly, listens carefully, and follows through with determination. Her focus and consistency make her progress stand out. I recommend her warmly and wish her every success.Ammar's response :
Excellent! Very patient
- Jai is an exceptionally intelligent and diligent student who consistently demonstrates strong academic commitment and professionalism. He is a fast learner, highly organized, and always well prepared for class activities. Jai is respectful, accurate in his work, and maintains excellent attendance. His positive attitude, discipline, and ability to quickly grasp new concepts make him a highly promising and reliable student.Ammar's response :
Perfect! He is wonderful
- Leo is a hardworking, well-rounded student who learns quickly and stays focused. He perseveres through challenges, honors his commitments, and consistently sticks to his objectives. His steady progress reflects discipline and drive. I recommend him warmly and wish him every success.Ammar's response :
Perfect! Ammar is patient, very smart and organized. He took inventory of all my lectures and used that as a framework to ground our sessions. He was also super accommodating in helping me prepare before a midterm, offering many sessions within the week.
Perfect! The first meeting was very positive. This Superprof teacher really impressed me. He took the time to ask my son many questions about his grades, how his classroom teacher works, and how he feels about his school performance. In just one session, he made my son feel happy and motivated. I feel very hopeful that Ammar is an excellent teacher. I’ll leave another review later on, but so far, 5 stars.
Perfect! J'ai eu un bon suivi avec des explications claires, il a beaucoup d'expérience.
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I received excellent follow-up care with clear explanations. He has a great deal of experience.Perfect! He was very knowledgeable, for sure i will be use his services in the future
Perfect! Great and clear explanations.
Perfect! Very nice and clear from the first session!
Perfect! Great teaching method
- Mendy (Nancy's son) is a bright, inquisitive Secondary 3 student with strong natural ability. He grasps new concepts quickly and asks thoughtful questions. With steady focus and consistent follow-through, he can perform at an outstanding level. I recommend him confidently and wish him every success.Ammar's response :
Perfect! Ammar is really great! He explains and helps my son understand and develop thinking and approach really well. Eric likes to go through the course right after the 1st class. Ammar also posts progress and updates to parents, which really addresses the parents’ concern as well.
- Eric, Jian 's son, is a bright and promising university student with strong analytical ability. He learns quickly, contributes thoughtfully, and follows through on commitments. I’m confident he will excel as he continues to challenge himself. I recommend him warmly and wish him every success.Ammar's response :
Perfect! Great at explaining concepts
Perfect! "La première séance s’est très bien passée, Monsieur Ammar explique très bien et rend les maths vraiment intéressants. Un vrai plaisir, merci !
Perfect! Ammar is very patient, excellent listener and really helps my daughter with her math learning. She appreciates the lessons and is already doing better with her grades. Thank you, Ammar!
Perfect! Good methodology, he teaches while doing exercises, which is, in my opinion, the best way to learn.
Perfect! Excellent!
Perfect! Explains well and notices mistakes quickly!
Perfect! Ammar was pleasantly patient with me.
I liked tha fact that he took his time to explain things to me moving forward. I am looking to our next session.Perfect! He is very good at explaining the concepts and takes time to make sure you fully understand the topic.
Perfect! Ammar is so clear and concise! I needed help with a scale validation project and he explained the concepts very well.
Perfect! Ammar was really great to work with. He was sooooo patient with me and my struggles. He explained concepts thoroughly and in easy to understand ways. And, even when I was really struggling, he was optimistic that some day I'll get this (SPSS) - I hope he's right!
When I was doing my exam I could hear his voice in my head coaching me!
He imparted a piece of wisdom that resonated and helped me feel better, more optimistic. "It's a new language and it takes time to learn a new language."- I am delighted to recommend Tricia without hesitation. She is deeply committed, consistently demonstrating her dedication through hard work, responsibility, and unwavering honesty. As a devoted family caretaker, she brings empathy and compassion into all that she does. Tricia possesses a remarkable willingness to learn, coupled with ambitious goals that fuel her drive to succeed. She readily meets challenges head-on, persistently overcoming any obstacles in her path. Moreover, her warm and considerate nature makes her a genuine pleasure to work with. I am confident that Tricia will continue to thrive in any role she pursues.Ammar's response :
Perfect! Very engaging and pleasant to talk to. Looking forward to more lessons.
Perfect! Professor Ammar is very knowledgeable in statistics and psychology concepts. He has helped me to understand the underlying mechanisms behind concepts and gives concrete examples to give a more well-rounded and in-depth understanding of material.
Perfect! Getting to meet Ammar and begin to establish a plan for helping me understand statistics makes me feel so much more comfortable.
Perfect! Very knowledgeable , compassionate , responsive and patient. Highly recommend Professor Ammar as a tutor.
Perfect! Very detailed , I need to revise and study to bring my basics of my math level back and what was covered in lecture however Professor Yakan teaches ina clear understanding way to understand math .
- Yumi is a dedicated and honest student with impressive resilience, never backing down from challenges. Her intelligence, planning skills, and ambitious nature make her a standout learner who consistently pursues her goals with focus and determination.Ammar's response :
Perfect! Dr. Ammar is an exceptional teacher who makes the learning experience understandable and interesting! My lessons were primarily related to performing and interpreting IBM SPSS statistical analysis at a graduate level. The lessons were straightforward, and I was provided with simplified explanations of the subject matter. The use of time during the lessons was always efficient and productive. AAAAA+++++ for this Professor!
- It has been a privilege to mentor Rob on the statistical methodology and analysis for your PhD thesis on behavioral factors. Your brilliance, deep knowledge, and relentless pursuit of excellence are truly remarkable. I am confident that your dedication and expertise will lead to significant contributions in your field. Keep striving for greatness.Ammar's response :
Excellent! Good. Would have liked it if the lesson was a little more interactive where Mr Ammas pauses and checks the understanding of the explanation.
We would like to try another tutor and then make a decision.
We may still want to get back to accepting Mr Ammar.- Interactive learning starts first by sharing cameras, then raising hands for asking questions. In addition, I had many interrogations while giving the class and waited for student reply but she did not.Ammar's response :
Perfect! Professor Ammar was an exceptional guide for me in statistics and data analysis. He created a welcoming and intellectually stimulating environment which made me feel like I had my own expert professor. I am grateful for his insight and understanding of my limited knowledge on the subject. I am looking forward to continuing to study with him.
Perfect! First session was very promising according to my son who’s looking very forward to his next with Ammar! Thank you!
Perfect! Ammar is a wonderful tutor, very insightful and knowledgeable. His teaching style is also great and informative.
Perfect! Ammar is very knowledgeable about my area of interest and has advised me on many things that are important as I proceed with my project. This also includes philosophical aspects on how I should oriente myself as I tackle the challenges ahead. I feel my path has been illuminated and my confidence has grown. Thank you Ammar.
Perfect! Prof Ammar is very knowledgeable and supportive!
He listens and understands the student's needs, at the same time provides constructive and helpful advice based on his knowledge and skills in statistics. I have learnt a lot in a single hour, highly recommended for anyone who wants to learn statistics :D Really appreciate it Prof!Perfect! Thank you Amaar, for your patience, your guidance and helping me understand statistics, a topic I have found very hard to comprehend but with your help I am making progress. You are truly an excellent teacher with high standard and quality of work.
- Charmaine is ambitious and committed to learning. She looks for high achievements and excellence. In addition, she is very respectful and courteous. I recommend her and wish her the best.Ammar's response :
Perfect! Ammar is very knowledgeable, patient and helpful. He is so kind and always supportive of his student. Really appreciated his lessons!
- Jean is brilliant and promising.Ammar's response :
Perfect! Professor Yakan gave me the necessary tools to succeed in my Intro to Statistics class. We went through practice midterms and finals to prepare for the final exam. He made sure I understood every step of the solution of each problem.
- Elena is ambitious, fast and excellent learner. She is determined, serious, and very organized.Ammar's response :
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Recommendations
Recommendations come from relatives, friends and acquaintances of the teacher
15
You are my ideal . You are a great leader, honestly you are the best.
I met professor Ammar in University and I have never seen someone so kind, charismatic, encouraging, has effective classroom management strategies, and solid knowledge of the subject matter or the field. Promotes positive learning experiences, attitudes, engagement and motivation. Whenever we faced a problem or a difficulty with something we would always go to professor Ammar and we he would always listen and help us in a heartbeat. I feel proud that I got to meet such an inspirational professor in my life that I will never forget.
Exceptional skills and understanding. Making it easy to grasp the knowledge and content of the course. Will go above an beyond to make sure you fully understand.
I just want to say thank you, for being a teacher who cares about what we learn and who we are becoming.
You’ve encouraged us to grow as students, and you’ve remembered we are growing as people, too, delivering your instruction with love and warmth and caring, somehow, you made even the hardest times fun.
Thank you, for making our days at college way much easier.Professor Ammar Explains information in an easy-to-understand manner Which makes the lessons easy for the student. In addition to his cheerful spirit and answering questions, and answering them clearly and simply
Ammar first is a great person and sincere.
When he is tutoring I like the way of his examples to make easy to understand the topic (Math in my case).
He was able to understand my problem and able to help me solve the problem. I would recommend him.
Dr. Ammar is wonderful, but more than wonderful
Best PROf in the world
Dr. Ammar, is one of the most important and greatest professors I have ever met. I have known him for more than 6 years. Skilled in providing consultancy in various disciplines. He has important knowledge and skills in the field of management, technology and many specializations. I had several trainings with him. I am proud to know him. It was a wonderful opportunity and every year I see him adding new knowledge to his sciences. Encyclopedia of knowledge and science.
Julian AliHe is the best teacher. He taught me business administration, management and organization, and he taught me programming and graphic design. He is the best teacher
A real Guru in Business and technology , one of the best mentors any one could ever have ,very helping , caring and supportive . Always keeping his students updated and sharing valuable knowledge with them .
Dr. Ammar has wealth of knowledge in management especially project management.
He gets the student engaged intova comprehensive understanding about the concept at a strategic level of mangement.
He has a very good manner in giving the lesson in a systematic approach.
I have learnt a lot from Dr. Ammar. He has been my first professional guide in IT studies and researches and many other subjects. He is a creative and an out-of-the-box thinker. I enjoyed learning and working with him. I always wish him all the best.
I have attended many training sessions in different subjects with Dr. Ammar, and I benefited a lot. He explains in details all you need to know and more which allows you to master the application or the software.
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Rates
Rate
- TSh 46,801
Pack prices
- 5h: TSh 234,004
- 10h: TSh 468,009
online
- TSh46,801/h
Travel
- + TSh 10
free lessons
The first free lesson with Ammar will allow you to get to know each other and clearly specify your needs for your next lessons.
- 1hr
Details
The first free lesson is a structured introductory and trial session. We will briefly introduce ourselves—including your academic or professional background and my relevant expertise—clarify your objectives, deadlines and tutoring needs, and assess your current knowledge through discussion and a short diagnostic activity. We will then establish a focused learning plan and schedule for future lessons. The remaining time will be used for a short trial lesson on a representative concept or problem, allowing you to experience my teaching approach before deciding whether to continue.
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