1. Tutorials
  2. Inference

Inference

Perform hypothesis tests and construct confidence intervals for means and proportions!

Construct a confidence interval using one sample

Learn how to construct a one-sample z-interval for a proportion.

Construct a confidence interval using two samples

Learn how to construct a two-sample t-interval for a mean.

Perform a hypothesis test using one sample

Learn how to perform a hypothesis test using one sample with a one-sample z-test for a proportion.

Perform a hypothesis test using two samples

Learn how to perform a hypothesis test using two samples with a two-sample t-test for the difference of means.

Perform a hypothesis test using a dataset

Learn how to perform a hypothesis test using a dataset.

Perform a Chi-square test for homogeneity

Learn how to perform a Chi-square test for homogeneity.

View the Chi-square contributions

Learn how to view the Chi-square contributions.

Perform a Chi-square test for Goodness-of-Fit

Learn how to perform a Chi-square test for Goodness-of-Fit.

Perform a t-test for the slope

Learn how to perform a t-test for the slope.

Learn more

To learn more about the Inference application, please visit the corresponding section of the manual for the NumWorks graphing calculator.

During your visit to our site, NumWorks needs to install "cookies" or use other technologies to collect data about you in order to:

With the exception of Cookies essential to the operation of the site, NumWorks leaves you the choice: you can accept Cookies for audience measurement by clicking on the "Accept and continue" button, or refuse these Cookies by clicking on the "Continue without accepting" button or by continuing your browsing. You can update your choice at any time by clicking on the link "Manage my cookies" at the bottom of the page. For more information, please consult our cookies policy.

Accept and continue Continue without accepting