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2 Statistics

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Question 113

Daily social-media times, in minutes, for 15 students are

6,25,39,62,65,74,80,94,125,127,154,159,184,210,2516,25,39,62,65,74,80,94,125,127,154,159,184,210,2516,25,39,62,65,74,80,94,125,127,154,159,184,210,251.

a.

Find the median and quartiles.

[3]
b.

Show that there are no outliers using the 1.5×IQR1.5\times\mathrm{IQR}1.5×IQR rule.

[2]
c.

Draw a box plot.

Figure for question 2

[3]
Markscheme

2 Statistics Questions

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

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