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BIOL2022 L03 Sampling and experiments: Design is all! #1 BEING REPRESENTATIVE when sampling biological systems

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Module 1, Lecture 3 By the end of this lecture you should understand: - The need for random but representative samples - In heterogeneous environments, stratification is important - That precision can be improved by stratification
Michael Jardine
Quiz by Michael Jardine, updated more than 1 year ago
Michael Jardine
Created by Michael Jardine about 6 years ago
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Resource summary

Question 1

Question
Type I and Type II error:
Answer
  • Type I = false positive
  • Type II = false negative
  • Type II = false positive
  • Type I = false negative

Question 2

Question
Precision and accuracy: Label the image appropriately (please).
Image:
L03 Image 1 (binary/octet-stream)
Answer
  • Precise and accurate
  • Precise and inaccurate
  • Imprecise and accurate
  • Imprecise and inaccurate
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