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Standard Deviation

Medium
Question 2
43%

n=20n = 20n=20 ∑x=240\sum x = 240∑x=240 ∑x2=3000\sum x^2 = 3000∑x2=3000

Work out the standard deviation.

Give your answer correct to 3 decimal places.

[3]
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Standard Deviation Questions

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

Practise Edexcel GCSE Statistics Standard Deviation with exam-style questions for Foundation and Higher tier. 10 questions, matched to the Edexcel GCSE Statistics (1ST0) specification and written in Paper 1 and Paper 2 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

The Binomial Distribution
Index Numbers
Moving Averages
Standard Deviation
Standardised Scores
Capture RecaptureThe Normal Distribution