Grade 10 Maths · Statistics · Find the median or quartile interval
Median of Grouped Data Grade 10
Find which class interval holds the median or a quartile in grouped data, for example the 20th value of 40 lies in 30 ≤ x < 40.
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Question 2.4 · November 2024 · Paper 2 · Provincial · 2 marks
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3. Question c · Siyavula Grade 10 Mathematics, 10.4 Measures of dispersion, Worked example 13 · 2 marks
The mathematics marks of grade learners at a school have been collected. The data are presented in the following table:
c In which interval is the percentile of the data set?(2)Show the memo (2 ticks)Memo
- ✓Rank of the 30th percentile
1 mark · Find the median or quartile interval
- ✓IntervalThere are learners in the first ranges and in the first ranges, so the percentile lies in the fourth range: .
1 mark · Find the median or quartile interval
- ✓
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