The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
A tool of statistical analysis for scientists, doctors, researchers, teachers, students, etc. You can compare two sets of quantitative data when data in each sample set are related. Paired t-test will analyze the paired data.If you want to analyze unpaired data, use "UnpairedT" in iTunes App Store. Other statistical tools such as Unpaired t-test, ANOVA (analysis of variance), clinical sample size calculator, and Bartlett test, McNemar test etc. are available.