2.2 L: 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.
2.2 L: Data presentation and interpretation Questions
244 exam-style questions on AQA A Level Maths 2.2 L: Data presentation and interpretation, covering 2.2.1 Single-variable data diagrams, 2.2.2 Scatter diagrams and correlation, 2.2.3 Central tendency, variation and standard deviation, 2.2.4 Outliers and cleaning data, and 2.2 L: Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.