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Question 183

Frank asks all 70 teachers at his school for their journey time x x\,x minutes. The summary statistics are ∑x=1587\sum x=1587∑x=1587 and Sxx=4879S_{xx}=4879Sxx​=4879.

Calculate the mean and the sample standard deviation.

[3]
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2 Statistics Questions

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

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