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2 Statistics

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Question 219

The ordered data are 3,5,6,8,9,11,12,13,14,18,313,5,6,8,9,11,12,13,14,18,313,5,6,8,9,11,12,13,14,18,31.

a.

Find the median and quartiles.

[3]
b.

Use the 1.5×IQR1.5\times\mathrm{IQR}1.5×IQR rule to decide whether 31 is an outlier.

[1]
Markscheme

2 Statistics Questions

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

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