Question

Look at the table given below:

Marks	0−10	10−20	20−30	30−40
No. of students	8	11	7	3

The true upper limit of the class 10−20 is
(a) 19.5
(b) 20
(c) 20.5
(d) none of these

Answer 1

(b) 20

Because the data are in the continuous frequency distribution form, the true upper limit of the class 10−20 is 20.