Population vs Sample Statistics
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What is the Population Mean (μ)?

  • The average of the distances from each data point in the population to the mean, squared
  • A measure of variability with a fixed value calculated from every individual in the population
  • The measure of variability calculated from only some of the individuals in a population
  • The mean of all the values in the population (correct)

    • What does the Sample Mean (x̄) represent?

  • The average of the distances from each data point in the population to the mean, squared
  • The measure of variability calculated from only some of the individuals in a population
  • The mean of all the values in the sample (correct)
  • A measure of variability with a fixed value calculated from every individual in the population

    • What is the Population standard deviation (σ)?

  • A measure of variability calculated from only some of the individuals in a population
  • The average of the distances from each data point in the population to the mean, squared
  • The mean of all the values in the population
  • A measure of variability with a fixed value calculated from every individual in the population (correct)

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