Two households, A and B, have recorded their monthly expenditure (in ₹) for the last 12 months. Both households have the same mean monthly expenditure of ₹52,000. The standard deviation of Household A’s expenditure is ₹4,000, while that of Household B is ₹6,000.
(i) Explain in words what information the given standard deviation values convey about the monthly expenditure of the two households.
(ii) On the basis of the given data, state which household’s expenditure pattern is more consistent and give one reason for your answer.