| Date | May 2014 | Marks available | 4 | Reference code | 14M.1.hl.TZ1.2 |
| Level | HL only | Paper | 1 | Time zone | TZ1 |
| Command term | Find | Question number | 2 | Adapted from | N/A |
Question
Four numbers are such that their mean is 13, their median is 14 and their mode is 15. Find the four numbers.
Markscheme
using the sum divided by 4 is 13 M1
two of the numbers are 15 A1
(as median is 14) we need a 13 A1
fourth number is 9 A1
numbers are 9, 13, 15, 15 N4
[4 marks]
Examiners report
[N/A]
Syllabus sections
Topic 5 - Core: Statistics and probability » 5.5 » Expected value (mean), mode, median, variance and standard deviation.
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