rily because range says nothing about the dispersion of values which fall between the two extremes.
Range values are typically employed as "quick and easy" indications of variability. For example, range can be used in industrial quality control to check either raw materials or products. Through charting, the range of small samples taken at regular intervals of time may be monitored. Range is also used throughout the print and electronic media. For instance, the weather forecasts typically include both expected high and expected low temperatures. Moreover, the daily range of individual stock prices is given by certain newspapers. In fact, range finds fairly widespread application. For example, a magazine about surfing described wave size as "fluctuating between 12 and 18 feet."
Applied Statistics: The Arithmetic Mean
Statistical analyses often involve finding a data group's central location. This central location may include, for instance, the middle or most typical
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