Question

if 20-30 is the class interval og grouped data, then lower class limit is :
(a) 50
(b) 30
(c) 20
(d) 10​

Answer 1

Answer:

10............................

Answer 2

Answer:

this, the class intervals are 0 - 10, 10 - 20, 20 - 30. In this, we include lower limit but exclude upper limit. So, 10 - 20 means values from 10 and more but less than 20. 20 - 30 would mean values from 20 and more but less than 30.

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