A Numbers Lover

  • Mean, Median & Mode – Which “Average” Should We Trust? Before we start, let me answer the small challenge from the last diary entry: Is a postal code qualitative or quantitative? It is qualitative. A postal code is written with numbers, but it is really a label for an area. It does not measure “how…

  • When I started learning statistics, I expected formulas on the first page. Instead, I found a question I could not answer: How can we know what 20,000 people think by asking only 500 of them? Honestly, it felt like cheating. How can a small group speak for a big group? This diary entry is about…

  • I have always liked numbers. There is something interesting about how a few numbers can tell us a story, reveal a pattern, or sometimes challenge what we thought was true. And statistics, in particular, is much closer to everyday life than it may sound. “Statistics is not only about numbers. It is about learning how…

  • If someone had told me during my first years at university that I would one day work in banking, I probably would have wondered how that could possibly happen. My journey started quite far from finance. I first studied architecture and urban & regional planning, then later moved into industrial engineering. For years, my academic…