Question

Given below the frequency distribution of weekly wages of 400 workers. Find the range.

Weekly wages (in ’00 ₹)	10	15	20	25	30	35	40
No. of workers	45	63	102	55	74	36	25

Answer 1

Here,
largest value (L) = 40,
smallest value (S) = 10
∴ Range = L – S
= 40 – 10
= 30.