Question

Find range for the following data:

Classes	62 – 64	64 – 66	66 – 68	68 – 70	70 – 72
Frequency	5	3	4	5	3

Answer 1

Here,

Highest class is 70 – 72

L = Upper limit = 72

Lowest class is 62 – 64

S = Lowest limit = 62

∴ range = L – S = 72 – 62 = 10