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2 Statistics

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Question 33

The five values 2,4,6,8,k 2,4,6,8,k\,2,4,6,8,k have mean 6.

a.

Find kkk.

[2]
b.

Calculate the variance of the five values.

[3]
Markscheme

2 Statistics Questions

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

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