The weekly pocket money (in ₹) received by a batch of 50 students is grouped as follows:
(a) Pocket money (₹): 0–99, 100–199, 200–299, 300–399, 400–499, 500–599
(b) (i) Determine the range using the given class limits.
(c) (ii) Recalculate the range after converting each class interval to its corresponding class boundaries.
(d) (iii) Comment on any difference, if observed, between the two results obtained in parts (i) and (ii).