(i) Range = Highest Value - Lowest Value
Highest Value = 5090 Lowest Value = 1007
so, Range = 5090 - 1007 = 4083
(ii)
(iii) (a) Number of households whose monthly expenditure on food is less than Rs 2000 = 20 + 13 = 33
(b) Number of households whose monthly expenditure on food is more than Rs 3000 = 2+1+2+0+1=6
(c) Number of households whose monthly expenditure on food is between Rs 1500 and Rs 2500 = 13+6 = 19