1.

What does individual series mean? Give one example of individual series.

Answer»

When the observation is expressed individually, and the value of each object can be seen separately, it is known as the individual series. These cannot be divided into classes, nor can they be tabulated frequency-wise. The value that occurs repeatedly, is written as many times separately. These are arranged in ascending or descending order. Generally, the serial numbers, roll numbers, year, names of places or persons are given in such series. Its special identification is that data values are given in it, not their frequencies. 

For example – Marks obtained by ten students 17,32,35,33,15,26,41,32,11,8.



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