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Web-based Statistics Apps StatKey is a statistical package to be used with the textbook Statistics: Unlocking the Power of Data by Lock, Lock, Lock, Lock, and Lock. Wiley, 2012 and 2017. ISBN 978-0470601877. StatKey provides tools for descriptive statistics such as dot plots, histograms, box plots, confidence intervals, and linear regression. StatKey also provides tools for randomization and bootstrap tests, theoretical distributions for the Normal, t, chi-squared, and F distributions as well as advanced randomization tests for chi-squared goodness-of-fit, chi-squared test for association, and ANOVA. This Chrome app provides a standalone offline app for the web site http://www.lock5stat.com/statkey.