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Data recording, analysis and presentation

Data recording, analysis and presentation

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Question 69

A neuropsychologist measures the concentration of a specific neurotransmitter in cerebrospinal fluid samples from a cohort of patients. The variance of these concentration levels is calculated to be 0.36 μmol/L20.36\text{ }\mu\text{mol/L}^20.36 μmol/L2.

What is the standard deviation for this dataset?

A

0.06 μmol/L0.06\text{ }\mu\text{mol/L}0.06 μmol/L

B

0.6 μmol/L0.6\text{ }\mu\text{mol/L}0.6 μmol/L

C

0.18 μmol/L0.18\text{ }\mu\text{mol/L}0.18 μmol/L

D

0.1296 μmol/L0.1296\text{ }\mu\text{mol/L}0.1296 μmol/L

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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