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Question 170

For 84 journey times, ∑x=3581\sum x=3581∑x=3581 and ∑x2=184092\sum x^2=184092∑x2=184092.

Calculate the mean and standard deviation.

[3]
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2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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