It means to be sliced from the navel to the chin/jaw.
it means...that you mean what you mean:)
it means average distance which equals the total of each distance divided by how many sets of numbers you previously added by.
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,...
Dollars cents drachmas euros and rubles are all monetary units.