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Data handling and analysis

Data handling and analysis

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Question 141

An environmental engineer is monitoring the daily energy output (in kilowatt-hours, kWh) of an experimental dual-axis solar-tracking photovoltaic panel. The daily energy outputs recorded over 9 consecutive days in autumn are shown in Table 1.

Table 1: Daily energy output of the experimental solar panel

DayDaily energy output (kWh)
115.4
214.1
313.5
412.8
511.6
610.9
710.2
89.8
99.7

Calculate the mean daily energy output of the solar panel over this 9-day period. Show your calculations.

[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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