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Data handling and analysis

Data handling and analysis

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Question 71

A marine biologist investigated the ecological health of 10 different coral reef sites. The biologist recorded the number of shark sightings over a 24-hour observation period and a health index rating (out of 10) for each site. The results are shown in Table 1.

Table 1: Shark sightings and health index ratings for 10 reef sites

Reef siteShark sightingsHealth index
137
256
338
467
535
627
789
837
944
1057

Give the mode for both sets of data in Table 1.

Mode for shark sightings: _____

Mode for health index: _____

[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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