| Exam Board | AQA |
| Module | S3 (Statistics 3) |
| Year | 2012 |
| Session | June |
| Topic | Hypothesis test of Pearson’s product-moment correlation coefficient |
1 A wildlife expert measured the neck lengths, \(x\) metres, and the tail lengths, \(y\) metres, of a sample of 12 mature male giraffes as part of a study into their physical characteristics. The results are shown in the table.