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Data recording, analysis and presentation

Data recording, analysis and presentation

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Question 315

In an investigation into cognitive aging, a researcher measures the time taken (in seconds) for participants to complete a spatial rotation task. The variance of the completion times is calculated to be 0.0576 s2. What is the standard deviation for this data set?

A

0.0288 s0.0288\text{ s}0.0288 s

B

0.24 s0.24\text{ s}0.24 s

C

0.0033 s0.0033\text{ s}0.0033 s

D

2.4 s2.4\text{ s}2.4 s

Markscheme

Data recording, analysis and presentation Questions

  1. A Level
  2. /Psychology
  3. /Data recording, analysis and presentation

513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.

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