"Use a dedicated statistical package from the '80s" Is your Wizard app not also a dedicated statistical package? Also, I'm being pedantic here, but how many "de

"Use a dedicated statistical package from the '80s" Is your Wizard app not also a dedicated statistical package? Also, I'm being pedantic here, but how many "dedicated statistical packages" are actually from the 80s? The only ones that come to mind are Stata and Statistica. Is there a way to view the source code or formulas you use on your pages? There's been a strong push in the academic statistics world for reproducible research, which means public data, open source statistical code. I ask because I'm curious about your two-sample t-test. Does it pool the variances for all values of the two standard deviations? Pooling doesn't make sense when one sd is 50 and the other is 2...