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2.2.1 Data presentation and interpretation

2.2.1 Data presentation and interpretation

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Question 3

A variable yyy, measured to the nearest integer, has frequencies 13, 7, 15 and 5 in the classes 10–19, 20–24, 25–28 and 29–30. On a printed histogram, the 10–19 bar is 2.5 cm wide and 2.6 cm high.

a.

Find the printed width and height of the 20–24 bar.

[3]
b.

Find the printed width and height of the 25–28 bar.

[3]
Markscheme

2.2.1 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.2.1 Data presentation and interpretation

8 exam-style questions on WJEC A Level Maths 2.2.1 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank