سؤال قراءة ستيب محلول — فهم التفاصيل (تدريب 8107)

Line chart: Average life expectancy at birth (population-weighted), 1960-2010, for four regions: Latin America (purple), South East Asia (dark navy), South Asia (blue), Sub-Saharan Africa (green). Approximate values: 1960: Latin America ~56, South East Asia ~48, South Asia ~43, Sub-Saharan Africa ~40 1970: Latin America ~60, South East Asia ~51, South Asia ~47, Sub-Saharan Africa ~45 2010: Latin America ~74, South East Asia ~70, South Asia ~65.5, Sub-Saharan Africa ~54