G0407 - SDG 4.1.1 Mean Scores, Standard Deviations (SD) and Standard Errors (SE) for some Countries significantly above the OECD Average, the OECD Average and the EU Average on the Overall Mathematics Scale - SDG 4.1.1 Mean Scores, Standard Deviations (SD) and Standard Errors (SE) for some Countries significantly above the OECD Average, the OECD Average and the EU Average on the Overall Mathematics Scale - data.gov.ie