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2.5.3 Data presentation and interpretation

2.5.3 Data presentation and interpretation

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Question 1

The lifetimes of batteries from two suppliers are summarised below.

SupplierMean lifetime (hours)Standard deviation (hours)
P42.65.8
Q40.92.7

Compare the battery lifetimes from the two suppliers.

[2]
Markscheme

2.5.3 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.5.3 Data presentation and interpretation

8 exam-style questions on CCEA A Level Maths 2.5.3 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank