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2.5 Data presentation and interpretation

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Question 54

A set of temperatures has mean 11.2 ∘C11.2\,^{\circ}\mathrm C11.2∘C and standard deviation 2.4 ∘C2.4\,^{\circ}\mathrm C2.4∘C. Each temperature is increased by 3 ∘C3\,^{\circ}\mathrm C3∘C.

State the new mean and standard deviation.

[2]
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.

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