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Representations of Data

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Question 13

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.

A partially completed histogram with Frequency Density on the vertical axis and Time (s) on the horizontal axis, showing only bars for 5–8 and 11–15 seconds.

Time (seconds)Frequency
1–46
5–88
9–108
11–15
16–204
a.

Complete the table.

[1]
b.

Complete the histogram.

[2]
c.

One of the participants is selected at random.

Estimate the probability that this participant completed the puzzle in under 10 seconds.

[2]
Markscheme

Representations of Data Questions

  1. A Level
  2. /Maths
  3. /Representations of Data

160 exam-style questions on Edexcel A Level Maths Representations of Data, covering 3.1 Outliers, 3.2 Box Plots, 3.3 Cumulative Frequency, 3.4 Histograms, and 3.5 Comparing Data. Each one has a worked solution and a mark scheme showing where the marks go.

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