| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.SL.tz0.30 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | What | Question number | 30 | Adapted from | N/A |
Question
What do the error bars in the graph say about data?
[Source: © International Baccalaureate Organization 2017]
A. The data for Group 1 has a lower mean value.
B. The data for Group 2 has a higher degree of variability.
C. The data for Group 1 has a higher degree of accuracy.
D. The data for Group 1 and 2 has the same degree of coefficient of variation.
Markscheme
B
Examiners report
Mid-range difficulty.
