The value of jewellery changes every year. The table shows the value, in pounds, of a ring for the years 2009 to 2012.
| Year | 2009 | 2010 | 2011 | 2012 |
|---|---|---|---|---|
| Value | £105 | £120 | £125 | £140 |
Calculate the chain base index number for 2010, 2011 and 2012. Give each value correct to 3 significant figures.
Practise AQA GCSE Statistics Index Numbers with exam-style questions for Foundation and Higher tier. 9 questions, matched to the AQA GCSE Statistics (8382) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.