Fig. 5
From: Learning data science in elementary school mathematics: a comparative curriculum analysis
Mathematics attainments of Singapore and East Asian countries in TIMSS 2003–2019. Grade 4 (equivalent to Primary 4) scale scores for A numbers, B measurement and geometry and C data domains. Lower quartile, median and upper quartile define each box. Lower and upper whiskers represent 10th and 90th percentile, respectively. Rep. of Korea did not participate in 2003 and 2007