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Data handling and analysis

Data handling and analysis

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Question 139

An environmental scientist measured the concentration of microplastic particles (count per litre) in water samples taken from two distinct coastal areas: Location X (near an industrial zone) and Location Y (a protected marine reserve). The results are shown in Table 2.

Table 2 Microplastic counts per litre

Location X (Industrial Zone)Location Y (Marine Reserve)
143
185
112
154
183
96
213
187
125
162
104

Using the data in Table 2, calculate the median and mode microplastic counts for the Location X (Industrial Zone) water samples.

[2]
Markscheme

Data handling and analysis Questions

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

235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.

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