Commercial Software

nQuery Advisor provides sample size and power analysis for hypothesis tests, confidence interval and equivalence analyses. It allows for either equal or unequal group sample sizes for most problems.
Address: Statistical Solutions, Stonehill Corporate Center, Suite 104, 999 Broadway, Saugus, MA 01906
Phone: (781) 231-7680
Fax: (781) 231-7684
Email: info@statsolusa.com
URL: http://www.statsol.ie/nquery/nquery.htm