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2 Statistics

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Question 329

A stem-and-leaf diagram has key 3∣7=373|7=373∣7=37 and rows

1∣ 2 5 81|\ 2\ 5\ 81∣ 2 5 8

2∣ 0 1 1 6 92|\ 0\ 1\ 1\ 6\ 92∣ 0 1 1 6 9

3∣ 3 73|\ 3\ 73∣ 3 7

a.

Write down the median.

[1]
b.

Find the interquartile range.

[2]
c.

State one advantage of this diagram over a grouped frequency table.

[1]
Markscheme

2 Statistics Questions

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

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