Opening the iTunes Store.If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To download the free app Biostatistics 2 by Stephen S. Ashley, get iTunes now.

Already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download
iTunes for Mac + PC

Biostatistics 2

By Stephen S. Ashley

Open iTunes to buy and download apps.


Biostatistics 2 provides descriptive statistics and statistical tests and procedures of interest primarily to students and researchers in the biological and medical sciences. The provided tests and procedures may also prove useful to those in other fields who draw inferences about large populations from measurements taken from random samples.

Biostatistics currently provides the the following tests and procedures:

for interval data (normally distributed populations) —

* t test
* analysis of variance (ANOVA)
* paired t test
* repeated measures ANOVA
* linear regression and correlation

for nominal data—

* chi square (χ²)
* McNemar’s test
* Cochran Q test
* relative risk
* odds ratio

for ordinal data (and interval data from populations not known to be normally distributed)—

* Mann-Whitney rank-sum test
* Kruskal-Wallis test
* Wilcoxon rank-sum test
* Friedman test
* Spearman rank correlation

for survival time data—

* Kaplan-Meier survival curves
* log rank test
* Gehan test

What's New in Version 1.0.5

Version 1.0.5 fixes a bug in the ANOVA and Kruskal-Wallis spreadsheets.

iPad Screenshots

iPad Screenshot 1
iPad Screenshot 2
iPad Screenshot 3
iPad Screenshot 4
iPad Screenshot 5

Customer Reviews

Use it for my research

This app was great for my research. I could copy entire rows from Numbers and paste right into it and get instant calculations of t-tests, correlation coefficients, standard deviations, all with their associated p values.

I'm hoping the author is working on a refreshed app with a better interface and dual app support for the iPad Pro.

Biostatistics 2
View in iTunes
  • Free
  • Category: Education
  • Updated:
  • Version: 1.0.5
  • Size: 2.5 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 5.1 or later. Compatible with iPad.

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.

Top In-App Purchases

  1. Biostatistics 2 — Full Version$6.99