Two-sample t-tests are statistical tests used to compare the means of two populations. Also known as Student’s t-tests, their results are used to determine if there is a significant difference between ...

Let's not bury paired comparisons. And there, it seems, we still stand today. The typical arguments regarding paired comparisons are: We’re long-term subscribers to WARC and it’s a tool we use ...

The study concluded that "Some results of back testing shown below suggest that some very simple criteria for paired-switching lead to lower volatility without any significant penalty in terms of ...