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2 Unit AS 2: Applied Mathematics

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Question 169

The eight values 2,4,4,5,5,6,7,7 2,4,4,5,5,6,7,7\,2,4,4,5,5,6,7,7 have mean 5.

a.

Calculate the variance.

[2]
b.

Hence calculate the standard deviation.

[1]
Markscheme

2 Unit AS 2: Applied Mathematics Questions

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

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