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Data handling and analysis

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Question 70

A marine biology research team conducted a survey to compare the concentration of microplastics at two different water depths across two distinct oceanic gyres: Region X and Region Y.

At each location, multiple water samples were collected to measure the mean microplastic concentration (in particles per cubic metre, particles/m3\text{particles}/\text{m}^3particles/m3).

  • In Region X, the mean microplastic concentration was 18 particles/m3\text{m}^3m3 at the Surface level and 4 particles/m3\text{m}^3m3 at the Deep level.
  • In Region Y, the mean microplastic concentration was 11 particles/m3\text{m}^3m3 at the Surface level and 9 particles/m3\text{m}^3m3 at the Deep level.

Sketch and label a comparative bar chart on the grid below to illustrate these data.

A blank grid template with 12x12 squares for drawing the bar chart.

[4]

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