The circumference of a sphere is measured to be 24 cm, with a possible error of 0.25 cm. Use the differential \(dV\) to estimate the maximum error in the calculated ...

Survey mode effects linked to unit nonresponse and screening procedures were estimated in a study of self-reported tobacco, alcohol, and illicit drug use. Two samples of the same population were drawn ...

This study analyses the impact of improved water supply and sanitation on the level and rate of decline of child diarrhoea mortality in Stockholm 1878-1925. Previous studies have failed to demonstrate ...