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3.2 Box Plots

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Question 23

In a study of how much time students spend on social media, usage of a random sample of 15 students was examined for a particular day.

The total time of usage, x x\,x minutes, for the 15 students was

6, 25, 39, 62, 65, 74, 80, 94, 125, 127, 154, k, 184, 210, 251 6,\ 25,\ 39,\ 62,\ 65,\ 74,\ 80,\ 94,\ 125,\ 127,\ 154,\ k,\ 184,\ 210,\ 251 6, 25, 39, 62, 65, 74, 80, 94, 125, 127, 154, k, 184, 210, 251

where 154<k<184154<k<184154<k<184.

a.

Find the median and quartiles for these data, giving your answers in terms of kkk.

[3]
b.

Show that there are no outliers.

[2]
c.

For k=170k=170k=170, draw a box plot for these data.

A grid for drawing a box plot. The grid is 10 units wide and 4 units high, with each unit divided into 10 smaller squares, totaling 100 squares.

[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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