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    Link to OpenEpi Calculator

    OpenEpi is a web-based calculator for epidemiologic data analyses. This calculator allows you to enter data into 2x2 tables and other analysis formats in order to perform calculations of interest, e.g., computing odds ratios, confidence intervals for odds ratios, and obtaining tests of hypotheses about odds ratios. Click here to go to the OpenEpi website.

    To see an example of how to use OpenEpi when analyzing a 2x2 table using data from ActivEpi, click here.

    Here are also some exercises from ActivEpi which can be solved with OpenEpi statistical calculator. Click on each exercise below for self-study.

    Author by Nancy Barker

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    Dr Kleinbaum (CDC/EIS) comedy skit