Find the answers to the following questions.

1. (i) Which family spent the least amount overall?
2. (ii) Approximately how much did Family C spend overall?
3. (iii) Approximately what percentage of Family C’s expenses were on housing?

Step-by-step solution

Idea: These questions are about each family’s total. A cluster chart does not show totals, so we must add up a family’s six columns ourselves.

Check: 8425 + 7286 + 7040 = 22751 = sum of all 18 table values ✓.

Answer to write in the exam

Common mistakes that cost marks

• Leaving out a small column such as Recreation (₹150 for Family C) when adding.
• Picking Family C as ‘least’ only because its housing column is shortest. ‘Overall’ means the total of all categories.
• Dividing 950 by Family A’s or the grand total instead of Family C’s own total.

How this can come in the exam

Try one yourself

Using the same table, approximately what percentage of Family A’s expenses were on healthcare?

More questions like this

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