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2.2 Data presentation and interpretation

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Question 26

For the 200 ages in a supplied health data set, the cumulative frequencies below 20, 30, 40 and 50 years are 32, 58, 97 and 123 respectively.

a.

Find the number of individuals aged from 30 up to but not including 40.

[1]
b.

State the age class containing the median.

[2]
Markscheme

2.2 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.2 Data presentation and interpretation

105 exam-style questions on WJEC A Level Maths 2.2 Data presentation and interpretation, covering 2.2.1 Data presentation and interpretation, 2.2.2 Data presentation and interpretation, 2.2.3 Data presentation and interpretation, 2.2.4 Data presentation and interpretation, 2.2.5 Data presentation and interpretation, 2.2.6 Data presentation and interpretation, 2.2.7 Data presentation and interpretation, 2.2.8 Data presentation and interpretation, and 2.2 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

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