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Developer's Description

Design experiments and measurements confidently with minimal knowledge of statistics.Have you ever worried if the study you were planning would have enough data to conclude anything?Know how much data you need while you're still in the planning phase. Let the app do the statistics for you. Easy to use interface helps you enter the pertinent information without being a statistics expert. Know how many observations you'll need to measure what you want. Know how good a measurement you'll get for any number of observations you set. Visualizations Play with sliders for key parameters and see how they affect the measurement Supports measurements of rates and proportions (binomial distributions) in addition to continuous distributions Chooses appropriate statistical test for you based on your experimental parameters. (Tests include t, z, chi square, and exact binomial). Set your preferred risk of both false positives and false negatives (type I error and type II error)Can also be useful as an interactive study tool for learning about the statistics of measurement

Full Specifications

What's new in version 2.0.0

Updated for iOS 9 including Slide Over and Split View. Check significance without leaving the article you are reading! Updated appearance New UI flow lets you choose if you want a sample size calculation or to evaluate a test and acts accordingly Allow separate standard deviations for two sample case


Release June 10, 2016
Date Added June 10, 2016
Version 2.0.0

Operating Systems

Operating Systems iOS
Additional Requirements Compatible with: ipad2wifi, ipad2wifi, ipad23g, ipad23g, iphone4s, iphone4s, ipadthirdgen, ipadthirdgen, ipadthirdgen4g, ipadthirdgen4g, iphone5, iphone5, ipodtouchfifthgen, ipodtouchfifthgen, ipadfourthgen, ipadfourthgen, ipadfourthgen4g, ipadfourthgen4g, ipadmini, ipadmini, ipadmini4g, ipadmini4g


Total Downloads 8
Downloads Last Week 0
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