2.5 Data presentation and interpretation
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Question 3
64%The partially completed histogram and the partially completed table show the times taken, to the nearest second, for a group of people to complete a puzzle.
| Time (seconds) | Frequency |
|---|---|
| 1 – 4 | 2 |
| 5 – 8 | 12 |
| 9 – 10 | 8 |
| 11 – 15 | |
| 16 – 20 | 3 |
a.[2]
Complete the table.
b.[2]
Complete the histogram
c.[2]
One of the participants is selected at random. Estimate the probability that this participant completed the puzzle in under 10 seconds.
2.5 Data presentation and interpretation Questions
278 exam-style questions on CCEA A Level Maths 2.5 Data presentation and interpretation, covering 2.5.1 Data presentation and interpretation, 2.5.2 Data presentation and interpretation, 2.5.3 Data presentation and interpretation, 2.5.4 Data presentation and interpretation, 2.5.5 Data presentation and interpretation, 2.5.6 Data presentation and interpretation, 2.5.7 Data presentation and interpretation, 2.5.8 Data presentation and interpretation, 2.5.9 Data presentation and interpretation, and 2.5 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.