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Standard Deviation

Standard Deviation

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Question 5
62%

Some tigers were weighed. The mean weight of the tigers was 230 kg.

x x\,x kg represents the weight of a tiger where ∑x=3450\sum x = 3450∑x=3450

a.

Work out how many tigers were weighed.

[2]
b.

Given ∑x2=841,250\sum x^2 = 841,250∑x2=841,250, work out the standard deviation.

[3]
Markscheme

Standard Deviation Questions

  1. GCSE
  2. /Statistics
  3. /Standard Deviation

10 exam-style questions on Edexcel GCSE Statistics Standard Deviation. Each one has a worked solution and a mark scheme showing where the marks go.

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