Under the current United Nations Development Programme (UNDP) methodology, which pair of indicators is used to measure the education (knowledge) dimension of the Human Development Index (HDI)?
Adult literacy rate and the combined primary, secondary, and tertiary gross enrolment ratio
Mean years of schooling and expected years of schooling
Mean years of schooling and the youth literacy rate
Expected years of schooling and public expenditure on education as a percentage of Gross Domestic Product (GDP)