Statistics >>Frequency Distribution Graphical Representation
A frequency distribution refers to data classified on the basis of some variable that can be measured such as wage, age, number of children etc. A variable refers to the characteristic that varies in magnitude in a frequency distribution. A variable may be either discrete or continuous. A discrete variable is that which always takes an integral value. For example, the number of children, the number of employees etc. A continuous variable can take every value both integral and fractional within the range of such as the height or weight of individuals etc. Generally continuous data are obtained through measurements while discrete data are derived by counting.
Frequency distribution is simply a table in which the data are grouped into classes and the number of cases which fall in each class (frequencies) are recorded. The word 'distribution' refers to the way in which the items are distributed in different classes.
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