how to distinguish between continuous and discontinuous class intervals

Dear Student,

Please find below the solution to the asked query:

That we can understand by seeing example for both type of class intervals :

Example for continuous class interval :
 

Class interval	0 - 5	5 - 10	10 - 15	15 - 20	20 - 25
Frequency ( f  )	2	3	4	5	6

And

Example for discontinuous class interval :
 

Class interval	0 - 5	6 - 10	11 - 15	16 - 20	21 - 25
Frequency ( f  )	2	3	4	5	6

Hope this information will clear your doubts about topic.

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