Study the table below, which shows the mean years of schooling in nine selected Sub-Saharan African countries.
| Country | Mean years of schooling |
|---|---|
| Kenya | 6.7 |
| Ethiopia | 3.2 |
| Nigeria | 6.2 |
| South Africa | 10.2 |
| Ghana | 7.3 |
| Uganda | 5.7 |
| Tanzania | 6.1 |
| Rwanda | 4.4 |
| Madagascar | 4.8 |
Calculate the upper quartile value of mean years of schooling for these nine countries. You must show your working.
87 exam-style questions on OCR A GCSE Geography Numerical and statistical skills. Each one has a worked solution and a mark scheme showing where the marks go.