Higher January 2019 Paper 2 Q11
11 Twenty students took a Science test and a Maths test.
Both tests were marked out of 50
The table gives information about their results.
| Median | Interquartile range | |
|---|---|---|
| Science | 27 | 18 |
| Maths | 24.5 | 11 |
Use this information to compare the Science test results with the Maths test results.
Write down two comparisons.
(2)
| Scheme | Marks |
|---|---|
| Basic comparisons from information: eg The median is greater for Science/less for Maths The IQR (or range) is higher for Science/less for Maths The median is 2.5 marks higher for Science The IQR (or range) is 7 marks more for Science Comparisons in context: eg On the whole students have higher marks in Science The spread of results is greater for Science Results are more consistent for Maths Answer: Two comparisons one for IQR and one for median | B2 |
| (2) | |
| (2 marks) |
Notes
B2: For 2 comparisons in context
or
1 basic comparison and 1 comparison in context
(B1 for 1 or 2 basic statements or for 1 statement in context)
NB; any numbers used must be correct for the award of the mark