Test Your Statistical Knowledge
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Questions and Answers

Which of the following is a measure of central tendency?

  • Percentiles
  • Kurtosis
  • Skewness
  • Quartiles (correct)

    • Which of the following is NOT a type of discrete distribution?

  • Normal distribution (correct)
  • Poisson distribution
  • Binomial distribution
  • Uniform distribution

    • What is the formula for calculating the variance of a random variable?

  • $Var(X) = \sum (x - \mu)$
  • $Var(X) = \sum (x - \mu)^3$
  • $Var(X) = \sum (x - \mu)^4$
  • $Var(X) = \sum (x - \mu)^2$ (correct)

    • What is the main purpose of probability theory?

    <p>To make predictions about future events</p> Signup and view all the answers

    What is the definition of probability?

    <p>The likelihood of an event occurring</p> Signup and view all the answers

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