When I started dealing with data analytics, the focus was on learning the “sexy” statistics to help drawing business-relevant conclusions out of data. Graphical displays were always part of the…
When I started dealing with data analytics, the focus was on learning the “sexy” statistics to help drawing business-relevant conclusions out of data. Graphical displays were always part of the…
Data analysts have not only the job to turn organisational data into information. They also need to master analytical storytelling.…
Many companies spend considerable amounts of money on customer and employee surveys every year. The survey results are used to amend strategies, design new products and services, focus improvement activities, target staff development activities and … to celebrate success.
The question is: Can we always rely on what we see?…
Three teams compete in our CHL business simulation. After completing Day One, it looks like the teams show a very different performance. Although the means look very similar, the variation is strikingly different. To test this assumption of different variation among the teams, the Test for Equal Variances is deployed.…
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