Description: Marsh, C. (1988) Exploring Data. Cambridge, UK: Polity Press, 315. These data are taken from the OPCS Study of the heights and weights of the adult population of Great Britain in 1980. They represent a random sample of two hundred married men and their wives. The five variables are husband's age (years), husband's height (mm), wife's age (years), wife's height (mm) and husband's age at the time of the marriage.