Suppose we were to make a histogram of the finishing times of the 38 participants in the duathlon. would the histogram be a display of the population distribution, the distribution of a sample, or the sampling distribution of sample means? population distribution distribution of a sample sampling distribution of sample means

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.