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2 Unit AS 2: Applied Mathematics

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Question 152

For 20 values, ∑x=300\sum x=300∑x=300 and ∑x2=4800\sum x^2=4800∑x2=4800. A value of 8 was incorrectly recorded as 18.

Calculate the corrected variance.

[4]
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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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