what are open ended series?

Hey Madhumeet,

Open-end series refers to those series in which the lower limit of the first class and upper limit of the last class is not given.

For example:
Marks No. of Students
Below 10 8
10-20 12
20-30 3
30-40 5
40-50 2
50-60 9
Above 60 7

  • 9
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