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2.5 Data presentation and interpretation

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Question 114

The histogram shows the times taken by 100 people to complete a task.

Figure for question 1

a.

Show that the total frequency is 100.

[2]
b.

Estimate the number who took less than 25 seconds.

[2]
c.

Estimate the probability that a randomly selected person took less than 25 seconds.

[1]
Markscheme

2.5 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.5 Data presentation and interpretation

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.

Question bank