The average of a distribution has been defined in various ways. Some of the important definitions are :
"An average is an attempt to find one single figure to describe the whole of figures" - Clark and Sekkade"Average is a value which is typical or representative of a set of data" - Murray R. Spiegal"An average is a single value within the range of the data that is used to represent all the values in the series. Since an average is somewhere within the range of data it is sometimes called a measure of central value" - Croxton and Cowden"A measure of central tendency is a typical value around which other figures congregate" - Sipson and Kafka
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