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BIOL2022 L14 DETECTING DIFFERENCES vs DESCRIBING RELATIONSHIPS

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Module 2, Lecture 3 Learning outcomes: • Experimental design determines type of analysis • ANOVA vs Regression o Same principle, different detail • Simple vs Multiple Regression o Same principle, different detail • Stats: part of a bigger set of questions
Michael Jardine
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Michael Jardine
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Pregunta 1

Pregunta
Question: “Does wind reduce tree growth?” Independent variable: [blank_start]____________[blank_end], which is a [blank_start]____________[blank_end] variable; Dependent variable: [blank_start]____________[blank_end], which is a [blank_start]____________[blank_end] variable.
Respuesta
  • Wind
  • Tree growth
  • Continuous
  • Class
  • Tree growth
  • Wind
  • Continuous
  • Class

Pregunta 2

Pregunta
Question: “Does wind reduce tree growth?” P = 0.049, r^2 = 0.84 How much of the variation in tree growth is explained by wind?
Respuesta
  • 84%
  • None
  • 4.9%
  • 49%

Pregunta 3

Pregunta
Question: “Does wind reduce tree growth?” P = 0.49, r^2 = 0.84 How much of the variation in tree growth is explained by wind?
Respuesta
  • 84%
  • None
  • 4.9%
  • 49%
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