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Step-by-Step Statistics Solutions

Get help on your statistics homework with our easy-to-use 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 summaries, continuous distributions, confidence intervals, hypothesis testing, linear regression and more. Also, try out our statistical tables to experience an interactive version of the tables in the back of your statistics textbook. Choose from the standard normal, t-distribution, chi-square and more.


statistics calculator

Statistics Calculators

Tables and Graphs

Frequency Distribution, Bar Chart, Pie Chart, Histogram, Scatter Diagram, Crosstabulation

Numerical Summaries

Mean, Median, Mode, Percentiles, Variance, Standard Deviation, Covariance, Correlation

Basic Probability

Sample Space, Combinations, Permutations, Complement, Union, Intersection, Conditional

Discrete Distributions

Expected Value, Variance, Standard Deviation, Binomial Distribution, Poisson Distribution

Continuous Distributions

Uniform Distribution, Normal Distribution, Exponential Distribution, t-Distribution

Sampling Distributions

Expected Value, Standard Error of the Mean, Distribution Form, Central Limit Theorem

Confidence Intervals

Margin of Error, Confidence Level, Confidence Coefficient, Sigma Known, Sigma Unknown

Hypothesis Testing

Null and Alternative Hypothesis, Test Statistic, Critical Value, p-Value, Level of Significance

Linear Regression

Regression Equation, Sum of Squares Error, Coefficient of Determination, Standard Error

statistics table

Statistical Tables

Standard Normal

Provides the areas under the curve to the left, or cumultative probabilities, for the z-distribution.

t-Distribution

Provides the t-values corresponding to an area, or probability, in the upper tail of the t-distribution.

Chi-Square

Provide χ² values with a certain area, or probability, in the upper tail of the chi-square distribution.

F-Distribution

Provides the F-values corresponding to an area, or probability, in the upper tail of the F-distribution.

Binomial

Coming Soon

Poisson

Coming Soon