Normal Distribution and Bell-Shaped Curves Quiz
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Questions and Answers

Which type of random variables can assume all values between any two given values?

  • Approximately normally distributed variables
  • Continuous random variables (correct)
  • Bell-shaped variables
  • Discrete random variables

    • What is the mathematical equation for the normal distribution?

  • 𝑓(𝑥) = 1 𝜎√2𝜋 . 𝑒 − (𝑋− 𝜇) 4
  • 𝑓(𝑥) = 1 𝜎√2𝜋 . 𝑒 − (𝑋− 𝜇)
  • 𝑓(𝑥) = 1 𝜎√2𝜋 . 𝑒 − (𝑋− 𝜇) 3
  • 𝑓(𝑥) = 1 𝜎√2𝜋 . 𝑒 − (𝑋− 𝜇) 2 (correct)

    • What are approximately normally distributed variables also called?

  • Random variables
  • Discrete variables
  • Bell-shaped variables (correct)
  • Continuous variables

    • Which of the following is NOT a unifying theme in biology?

    <p>Cellular structure</p> Signup and view all the answers

    What is the main function of genes in organisms?

    <p>To encode hereditary information</p> Signup and view all the answers

    What is the scientific method used for in biology?

    <p>To make observations and pose questions</p> Signup and view all the answers

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