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Data handling and analysis

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Question 34

Aircraft Safety Compliance Study

An aviation safety board conducted a comprehensive compliance audit for a fleet of 160 commercial cargo aircraft. The board developed an Aircraft Safety Integrity Index (ASII) which scores each aircraft's maintenance records on a scale of 0 to 100, where 0 represents critical non-compliance and 100 represents exemplary safety standards.

The inspectors calculated the measures of central tendency for the ASII scores of the fleet:

  • The mean score was 74.2
  • The median score was 85.5
  • The mode score was 91.0

Sketch a graph to show the most likely distribution curve for the ASII scores in this study. Label the axes of your graph and mark on it the positions of the mean, median, and mode.

[3]

Data handling and analysis Questions

  1. A Level
  2. /Psychology
  3. /Data handling and analysis

Practise AQA A Level Psychology Data handling and analysis with exam-style questions for A Level Psychology. 263 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank