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2.5.3 Data presentation and interpretation

2.5.3 Data presentation and interpretation

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12
Question 1

For 30 observations, the mean is 12 and ∑x2=4650\sum x^2=4650∑x2=4650.

Calculate the variance.

[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.

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