Want to compare aggregate differences between two groups? Welch's t-test is preferrable over the classical (Student's) t-test, even if you have equal sample sizes and variances.
Category: Numberphilia
Crunching the numbers toward better brain health
Contrary to popular opinion, numbers can be fun. Besides, 'number crunching' is a great to keep cognitively fit.
Ideospectus Consulting 