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2 Statistics

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Question 408

For 80 observations, the 25th percentile is 14, the median is 27 and the 75th percentile is 39.

a.

State the lower quartile and upper quartile.

[2]
b.

Calculate the lower and upper outlier boundaries using the 1.5×IQR1.5\times\mathrm{IQR}1.5×IQR rule.

[3]
Markscheme

2 Statistics Questions

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

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