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2.5 Data presentation and interpretation

2.5 Data presentation and interpretation

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Question 110

For 20 cities, ∑x=214.5\sum x=214.5∑x=214.5, ∑y=107.6\sum y=107.6∑y=107.6, ∑x2=2367.8\sum x^2=2367.8∑x2=2367.8, ∑y2=665.3\sum y^2=665.3∑y2=665.3 and ∑xy=1081.2\sum xy=1081.2∑xy=1081.2.

Calculate the product-moment correlation coefficient.

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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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