Stats & Probability Calculator vs Statistics & Probability Tutor

Take the frustration out of statistics and probability calculations. Whether you’re a student tackling homework or a professional analyzing data, our all-in-one Statistics Calculator app gives you fast, accurate answers in seconds. No more tedious manual math or searching for formulas – with over 140 calculators across every area of stats, you’ll have the tool you need for any problem at your fingertips. Designed for ease of use and clarity, the app is organized into intuitive categories (Probability, Distributions, Descriptive Stats, and Inference/Test calculators). Simply pick a calculator, input your data or parameters, and get instant results. Complex calculations have never been this simple! Features & Highlights: Comprehensive Toolset: Covers basic to advanced statistics – from means, medians, and standard deviations up to complex regression analyses and hypothesis tests. (140+ calculators in one app!) - Probability & Paradoxes: Calculate probabilities and odds with ease. Solve classic puzzles like Bayes’ Theorem, the Birthday paradox, Monty Hall problem, Bertrand’s paradoxes, and more. Simulate random events with a Coin Flipper, Dice Roller, or even explore lottery odds and false-positive paradoxes. - Statistical Distributions: Work with all the important distributions. Compute probabilities, critical values, and percentiles for Normal, Binomial, Poisson, Exponential, Lognormal, - - - Uniform, and other distributions. Includes tools like a Central Limit Theorem simulator and Confidence Interval calculators for population parameters. - Descriptive Statistics: Instantly get summary stats for your data set. Enter your numbers to see the mean, median, mode, range, and standard deviation (population or sample). - - View 5-number summaries (min, Q1, median, Q3, max) and identify outliers with the IQR and outlier calculators. No data set is too large – let the app do the heavy lifting in moments. - Statistical Tests: Conduct hypothesis tests without tables or tedious calculations. Our app includes t-Tests (1-sample, 2-sample, paired), Chi-Square tests (goodness-of-fit, independence), z-tests, F-tests, and even one-way ANOVA. Just input your sample data or summary stats, and get test results with test-statistics and p-values instantly. - Regression Analysis: Go beyond basic stats – perform regressions and understand relationships in data. The app features Linear Regression (with R² (R-squared) and residual analysis), as well as Polynomial and Exponential regression tools. Determine the line of best fit for your data points and make predictions without needing a complex PC program. - Charts & Plots: Visualize your data for better insights. Create histograms, box plots, dot plots, pie charts, and stem-and-leaf plots on the fly. For any data you input, the app can generate charts so you can see distribution shapes and outliers. Turn raw numbers into a visual story in one tap. - Intuitive UI & Fast Results: No learning curve required – the interface is clean and simple. Calculators are grouped by category, and each comes with clear input fields and labels. Enter your figures and get results immediately, with no internet connection needed. The app is lightweight and works offline, so you can study or work on statistics anywhere. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Stuck on a stats problem at midnight? Snap a photo. Get a step-by-step explanation. Move on. An AI tutor built specifically for statistics and probability, not a generic math solver that happens to handle stats. Whether you're prepping for AP Statistics, taking your first probability theory class, or brushing up on hypothesis testing for work, this app meets you where the textbook left off. WHAT YOU CAN DO Snap & Solve: Take a photo of any stats or probability problem. The AI returns a clear, step-by-step solution. AI Tutor: Ask follow-up questions in plain language. The tutor remembers the problem context and explains until it clicks. Topic Library: Structured lessons covering descriptive statistics, probability, distributions (normal, binomial, Poisson), hypothesis testing, regression, Bayes theorem, and more. Practice Exercises: Work through hand-picked problems for each topic, with instant feedback. Topic Quizzes: A focused quiz at the end of every topic to lock in what you learned. Step-by-Step Explanations: No black-box answers. Every solution is broken down so you understand the why, not just the result. Built to Keep You Going: Daily streaks, level progress, and small wins to keep practice habits sticking. WHO IT'S FOR - High school students taking AP Statistics or first-year stats - College undergrads in intro stats, business stats, or probability theory - Grad students brushing up before exams - Working professionals (data analysts, A/B testers, MBAs) who need a quick refresher - Anyone who has Googled "what does p-value mean" more than twice WHY STATS-FOCUSED MATTERS Generic math solvers handle stats as an afterthought. They'll give you the answer to a binomial probability question, but they won't explain why you used a binomial distribution in the first place. This app was built from the ground up for statistical reasoning, so the explanations actually teach you the subject, not just the calculation. PRIVACY Works without an account. We don't ask for your name, email, or any identifying info during normal use. Photos you scan are sent to the AI to generate an answer and then deleted, never stored on our servers. Full privacy policy in Settings. Questions or feature requests? Tap Settings, then Feature Request inside the app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/