1. Considerable excess residual variation was found in the rate of sickness absence for short spells. 2. However, there are considerable variations between the cities. 3. In addition referral procedures and working methods exhibit considerable variation. 4. Moreover, there was considerable variation in the grammar-school provision in different areas within each Local Education Authority. 5. The loss of vitamin C in fried potatoes has been investigated but the results show considerable variation according to conditions. 6. There is also considerable variation in the proportion of pupils receiving free school meals. 7. There is considerable variation between sports around the overall averages reported above. 8. Yet this considerable variation in organizational model appears to arouse remarkably little interest in its consequences. 9. The overall results within individual republics disguised considerable regional variations. |