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3.2 Box Plots

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Question 24

Children from two schools A and B took part in a competition to complete a puzzle. The distribution of times taken, to the nearest minute, by children in school A is shown in the box plot below.

Box plot for school A showing the distribution of times taken to complete a puzzle.

a.

The upper quartile of the times taken by children in school A is 17 minutes. Write down the percentage of the children in school A who had completed the puzzle by this time.

[1]
b.

State what the two crosses (×\times×) represent on the box plot above. Interpret these in context.

[2]
c.

For school B, the shortest time taken was 6 minutes, the longest time taken was 22 minutes, and the quartiles were 12, 15 and 17 minutes respectively.

Determine if there are any outliers.

[3]
d.

Draw a box plot for this information.

Blank grid for drawing a box plot for school B.

[3]
e.

Compare the two distributions.

[3]
Markscheme

3.2 Box Plots Questions

  1. A Level
  2. /Maths
  3. /3.2 Box Plots

27 exam-style questions on Edexcel A Level Maths 3.2 Box Plots. Each one has a worked solution and a mark scheme showing where the marks go.

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