Descriptive Statistics Quiz
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Questions and Answers

Which of the following is a raw score that has been transformed into standard deviation units?

  • µ-score
  • σ-score
  • t-score
  • z-score (correct)
  • All these are examples of continuous variable except:

  • Examination score
  • Height
  • Weight (correct)
  • Length
  • Which of the following is not a measure of dispersion (or variability)?

  • Coefficient of variation
  • Mode (correct)
  • Variance
  • Standard deviation
  • Commonly used statistical methodologies in data analysis include:

    <p>Inferential statistics</p> Signup and view all the answers

    Which of the following is a correct use or application of Statistics?

    <p>Statistics helps in providing a better understanding and exact description of a phenomenon of nature.</p> Signup and view all the answers

    Study Notes

    Statistical Concepts

    • A score that has been transformed into standard deviation units is called a z-score.

    Types of Variables

    • Discrete variables (e.g., number of students, number of books) are not examples of continuous variables.

    Measures of Dispersion

    • Mode is not a measure of dispersion (or variability).

    Applications of Statistics

    • Correct uses of statistics include predicting outcomes, identifying trends, and making informed decisions based on data analysis.

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    Description

    Test your knowledge of descriptive statistics with this STA 122 quiz. Answer 10 questions from each of the five sections, including topics like z-scores, continuous variables, and more. See how well you understand key concepts in statistical analysis within the time limit of 40 minutes. Ideal for students and professionals looking to sharpen their statistical skills.

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