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2 Unit AS 2: Applied Mathematics

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Question 143

The supplied box plot shows journey times. An outlier is defined as a value more than 1.5×IQR1.5\times\mathrm{IQR}1.5×IQR beyond the nearer quartile.

Figure for question 3

a.

Calculate the upper outlier boundary.

[2]
b.

Verify that the separately plotted value is an outlier.

[1]
c.

Explain why it should not automatically be deleted.

[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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