Quartiles and Percentiles · CSEC Additional Mathematics

7 past-paper questions on Quartiles and Percentiles, part of Data Representation and Analysis, from every CSEC Additional Mathematics paper on Quelpr.

1. 7(a)(i)2 marks· Additional Mathematics Q7 7(a)(i)Determine the median score.
2. 7(a)(ii)3 marks· Additional Mathematics Q7 7(a)(ii)Calculate the interquartile range of the scores.
3. 7(a)(iv)2 marks· Additional Mathematics Q7 7(a)(iv)Determine the number of students above the 20th percentile for this class.
4. 7(a)(v)3 marks· Additional Mathematics Q7 7(a)(v)Determine the interquartile range.
5. 7(b)(iv)2 marks· Additional Mathematics Q7 7(b)(iv)Determine the interquartile range for the data.
6. 7(b)(iv)3 marks· Additional Mathematics Q7 7(b)(iv)Calculate the semi inter-quartile range of the marks.
7. 7(c)(i)4 marks· Additional Mathematics Q7 7(c)(i)Find the median and quartiles for the data given.