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Measures of Location and Spread

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Question 3
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30 people ran a race and their race times, xxx, were recorded.

For these people ∑x=466∑x2=7592\sum x = 466 \quad \sum x^2 = 7592∑x=466∑x2=7592

Calculate the mean and the standard deviation for these data.

[3]

Measures of Location and Spread Questions

  1. A Level
  2. /Maths
  3. /Measures of Location and Spread

Practise Edexcel A Level Maths Measures of Location and Spread with exam-style questions for A Level Maths. 7 questions covering 2.1 Measures of Central Tendency, 2.2 Other Measures of Location, 2.3 Measures of Spread, 2.4 Variance and Standard Deviation, and 2.5 Coding, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank