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2.2 Data presentation and interpretation

2.2 Data presentation and interpretation

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Question 27

The masses, m m\,m kg, of 50 cars are summarised in the table below.

Mass (kg)Frequency
1000<m≤12001000 < m \le 12001000<m≤12008
1200<m≤14001200 < m \le 14001200<m≤140022
1400<m≤16001400 < m \le 16001400<m≤160014
1600<m≤20001600 < m \le 20001600<m≤20006

Estimate the mean mass of these cars.

[3]
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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