It means.............................................
Division into two usually contradictory parts or opinions: "the dichotomy of the one and the many"
another word for it is difference,...
Rural- urban divide or Division of rural and urban areas into two usually contradictory parts or opinions.
There are some sociologists whose treat rural-urban as dichotomous categories have...
Most probably not. But it should be close to the population mean if various conditions are met:For example, the population should consist of independent, [nearly] identically distributed variables,...