Pub quiz Hospodský kvíz categorized their results into various topics.
Those topics are:
1 aktualitova news 2 filmova movies 3 historicka history 4 hrava puzzles 5 kulturni culture 6 obrazkova pictures 7 poslechova listening 8 prirodovedecka natural science 9 spolecenska society 10 sportovni sport 11 vedecko-technicka sci-tech 12 zemepisna geography
The results of individual teams can be represented as a matrix where each row is one team and each column is a topic according to the list above.
Not all teams took part on all contests (and not all contests presented all topics), so the missing results are filled with zeros for the purposes of the statistics.
Figure 1 Mean and standard deviations per topic. Note that some topics were presented less frequently, so their appear as more difficult (I don’t have data for normalization).
Figure 2 Topic correlations. Interesting are weak correlations of puzzle-history, society-history and puzzle-sport. This may be affected by “cohabitation” of some topics more often than others.
Figure 3 Principal component analysis (columns are topics, rows are the principal components, weights of them are in in Figure 4).
355.0922202481993 16.36153546791306 11.97173965876528 9.799514147814509 9.152375537498369 7.212498668027225 6.729483237792453 5.730609693783117 4.466064954700245 4.328148525381178 3.693248457998539 2.565359833986063
Figure 4 PCA weights, we can see there is no much differentiation. Teams are mostly spread along one axis – overall skill of a team.