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Step-by-Step Statistics Solutions

Get help on your statistics homework with our easy-to-use statistics calculators.

Here, you will find all the help you need to be successful in your statistics class. Check out our statistics calculators to get step-by-step solutions to almost any statistics problem. Choose from topics such as numerical summary, confidence interval, hypothesis testing, simple regression and more.

Statistics Calculators

Table and graph, numerical summary, basic probability, discrete distribution, continuous distribution, sampling distribution, confidence interval, hypothesis testing, two population, population variance, goodness of fit, analysis of variance, simple regression, multiple regression, time series analysis.

Teach yourself statistics

Statistics and Probability

This website provides training and tools to help you solve statistics problems quickly, easily, and accurately - without having to ask anyone for help.

Online Tutorials

Learn at your own pace. Free online tutorials cover statistics, probability, regression, analysis of variance, survey sampling, and matrix algebra - all explained in plain English.

• Advanced Placement (AP) Statistics . Full coverage of the AP Statistics curriculum.
• Probability . Fundamentals of probability. Clear explanations with pages of solved problems.
• Linear Regression . Regression analysis with one or more independent variables.
• ANOVA . Analysis of variance made easy. How to collect, analyze, and interpret data.
• Survey Sampling . How to conduct a statistical survey and analyze survey data.
• Matrix Algebra . Easy-to-understand introduction to matrix algebra.

Practice and review questions reinforce key points. Online calculators take the drudgery out of computation. Perfect for self-study.

AP Statistics

Here is your blueprint for test success on the AP Statistics exam.

• AP Tutorial : Study our free, AP statistics tutorial to improve your skills in all test areas.
• Practice exam : Test your understanding of key topics, through sample problems with detailed solutions.

Be prepared. Get the score that you want on the AP Statistics test.

Random Number Generator

Produce a list of random numbers, based on your specifications.

• Control list size (generate up to 10,000 random numbers).
• Specify the range of values that appear in your list.
• Permit or prevent duplicate entries.

Free and easy to use.

Sample Size Calculator

Create powerful, cost-effective survey sampling plans.

• Find the optimum design (most precision, least cost).
• See how sample size affects cost and precision.
• Compare different survey sampling methods.
• Assess statistical power and Type II errors.

Tailor your sampling plan to your research needs.

Stat Toolbox

Check out our statistical tables and online calculators - fast, accurate, and user-friendly.

Discrete probability distributions

• Hypergeometric
• Multinomial
• Negative binomial
• Poisson distribution

Continuous probability distributions

• f-Distribution
• Normal distribution
• t-Distribution

Special-purpose calculators

• Bayes Rule Calculator
• Combination-Permutation
• Event Counter
• Factorial Calculator
• Bartlett's Test Calculator
• Statistics Calculator
• Probability Calculator

Each calculator features clear instructions, answers to frequently-asked questions, and a one or more problems with solutions to illustrate calculator use.

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AP®︎/College Statistics

Unit 1: exploring categorical data, unit 2: exploring one-variable quantitative data: displaying and describing, unit 3: exploring one-variable quantitative data: summary statistics, unit 4: exploring one-variable quantitative data: percentiles, z-scores, and the normal distribution, unit 5: exploring two-variable quantitative data, unit 6: collecting data, unit 7: probability, unit 8: random variables and probability distributions, unit 9: sampling distributions, unit 10: inference for categorical data: proportions, unit 11: inference for quantitative data: means, unit 12: inference for categorical data: chi-square, unit 13: inference for quantitative data: slopes, unit 14: prepare for the 2022 ap®︎ statistics exam.

StudyMonkey

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Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data.

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Statistics Help for Students

Welcome to StatisticsHelp.org. The main purpose of the site is to provide all kinds of free statistics help resources, in the form of online calculators, graph makers, handouts, tutorials, guides and solved statistics problems.

Online Statistics Calculators and Solvers

See what we have to offer you. Please choose one of the online statistics solvers and other resources that we have available for you.

Statistics Calculators

Check out our useful statistics calculators for normal distributions, confidence intervals and statistical tests.

Our stat tutorials cover different topic of interest for students.

Solved Stats Questions

Go through our hundreds of solved stats questions, with detailed solutions.

Statistics Guides

Guides that will show you step by step how to do specific tasks in Statistics.

Tech and Calculators

Reviews of technology and calculators that can help you in your statistics classes.

Interesting news in Statistics and Education in general.

Statistics Help Online

Our site provides a number of online resources, mainly aimed at college students taking basic statistics classes. For this kind of students the normal distribution and the t-distribution will be at the center stage.

And that is why we provide our normal calculators and confidence interval calculators, for both the z-distribution and t-distribution.

Feel free to use all the resources in website that could be of use for you. The resources in this website are intended for you to get some practice for statistics tests or homework, or just some statistical curiosity.

We add content on Statistics topics on a weekly basis. Check out our latest discussions about some examples of combinatorial identities and probability statements .

Naturally, students likely will not find here a replacement for what they can get with a tutor/helper working with them one to one. But we have lots of resources that can get you started. Should you have any questions, you can always reach us at [email protected]

Statistics Answers

One of the most frequently requested tool is the access to statistics answers. For that reason, our members have worked hard to put out a relatively short list of sample statistics problems, but which are very representative of what you will find on your stats tests or homework, so then it could prove useful to start with those. For that you can check the link below.

We are always trying to improve our stats apps, so we are more than happy to receive suggestions. In fact suggestion are what can make this site better, for the whole community.

Solved Statistics Problems - Practice Exercises

Go to our collection of solved statistics problems

Statistics Tutors

Many of the members of our community are tutors, so we are working on a way to get community members connected. One way we are thinking about is to start a Stats forum, which is likely come to fruition very soon.

Do not miss our new guide on how to study for your Stats exam or midterm . Find tips and strategies to succeed in your examinations! Also see the differences between descriptive statistics and inferential statistics with some examples.

✔ Do you know the difference between Statistics and Probability ? Check it out!

✔ The always interesting topic of whether or not AP Stats is a hard class

✔ Make sure you have the statistical basics down before you take a stats class!

✔ How can you benefit from using a detailed statistics study guide ? Find out more.

✔ Can you explain Statistics in a few minutes? Check it out