04: Terminology 2

Terminology 2

• Estimate
  • An idea about a characteristic of a population based on sample data (e.g., the sample mean IQ was 102 so we estimate that the population mean IQ is also 102)

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  • Estimator
    • The formula used to take sample data and estimate population data

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    • Probability Samples (Representative Samples)
      • The idea that a specific sample represents or possesses the same characteristics as the population. Without a representative sample, we can not estimate a population parameter.

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