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2 Unit AS 2: Applied Mathematics

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Question 147

For 40 delivery times, ∑x=720\sum x=720∑x=720 and ∑x2=13480\sum x^2=13480∑x2=13480.

a.

Calculate the variance of the delivery times.

[2]
b.

Calculate the standard deviation.

[1]
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2 Unit AS 2: Applied Mathematics Questions

  1. A Level
  2. /Maths
  3. /2 Unit AS 2: Applied Mathematics

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