For more than two decades, Quazi Rafquat Hossain has been a familiar and respected name among IGCSE and International A Level ...

Are two sets of data genuinely different, or is it because of randomness? This question, known as the two-sample testing problem, becomes notoriously difficult in modern datasets, because they are ...

OpenAI says ChatGPT's memory is getting better. But my tests show outdated assumptions, personal profiling, and wrong details ...