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Data handling and analysis

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Question 46

A materials scientist measures the degradation time, in days, of two new bioplastic formulations under controlled composting conditions. Table 1 shows the results for 9 samples of each formulation.

Table 1: Biodegradation Times (days)

Formulation AlphaFormulation Beta
128
47
118
116
38
55
39
108
74

Explain why the median may be a more appropriate measure of central tendency to use with the data for Formulation Alpha than the mode.

[2]

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