Statsols (formerly known as Statistical Solutions) is the producer and distributor of the proprietary nQuery sample size software.

The company now only offers its most successful statistical product, nQuery Sample Size Software.

Janet is the retired Director of the Division of Biostatistics, Cedars-Sinai Medical Center.

This quickly became widely used to estimate the sample size requirements for pharmaceutical testing and she joined the company Statistical Solutions LLC to commercialize it.

The US National Institutes of Health Library lists over 895 published studies that used nQuery for sample size calculation that are freely available to the public to view.