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The points plotted as part of an ogive are the upper class limit and the corresponding cumulative absolute frequency [2] or cumulative relative frequency. The ogive for the normal distribution (on one side of the mean) resembles (one side of) an Arabesque or ogival arch, which is likely the origin of its name.
The lower fence is the "lower limit" and the upper fence is the "upper limit" of data, and any data lying outside these defined bounds can be considered an outlier. The fences provide a guideline by which to define an outlier, which may be defined in other ways. The fences define a "range" outside which an outlier exists; a way to picture this ...
The term upper class is applied to a wide array of elite groups existing in the United States of America. Because there is no defined lower threshold for the upper class it is difficult, if not outright impossible, to determine the exact number or percentage of American households that could be identified as being members of the upper-class(es).
Based on Pew’s analysis, a household of three needs an income of $156,600 to meet the definition of upper class, which amounts to more than double the national median.
In modern Western societies, stratification is often broadly classified into three major divisions of social class: upper class, middle class, and lower class. Each of these classes can be further subdivided into smaller classes (e.g. "upper middle"). [5] Social strata may also be delineated on the basis of kinship ties or caste relations.
Each group has a lower limit (L k) and an upper limit (U k). When the class ( k ) contains m k data and the total number of data is N , then the relative class or group frequency is found from: Fg ( L k < X ≤ U k ) = m k / N
Fussell argues that social class in the United States is more complex in structure than simply three (upper, middle, and lower) classes.According to Bruce Weber, writing for the New York Times, Fussell divided American society into nine strata — from the idle rich, which he called "the top out-of-sight," to the institutionalized and imprisoned, which he labeled "the bottom out-of-sight."
There's a distinction between the lower, middle and upper classes, but did you know there's also a category between them called the "upper-middle" class? Learn More: How To Become Rich: 9 Fastest...