Understanding Statistics in Decision Making
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Questions and Answers

What is the primary role of statistics?

  • To create numerical facts
  • To provide decision makers with methods for obtaining and analyzing information (correct)
  • To focus on theoretical statistics only
  • To assist with long-range planning questions

    • In the context of statistics, what do the 'numbers that represent the diastolic blood pressure of a patient' refer to?

  • Theoretical statistics
  • Data points (correct)
  • Applied statistics
  • Statistical laws

    • What distinguishes theoretical statistics from applied statistics?

  • Applied statistics focuses on deriving statistical theorems
  • Applied statistics applies statistical theorems to solve practical problems
  • Theoretical statistics deals with proofs of statistical laws (correct)
  • Theoretical statistics involves real-world problem-solving

    • What is the purpose of descriptive statistics?

    <p>To organize, display, and summarize data</p> Signup and view all the answers

    Which aspect of statistics deals with solving real-world problems using statistical theorems?

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

    What are the two main meanings associated with the word 'statistics'?

    <p>Numerical facts and a field of study</p> Signup and view all the answers

    Which branch of statistics uses sample results to make decisions or predictions about a population?

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

    What does the statistic 49% in the Gallup poll represent?

    <p>The percentage of people who knew the name of the first book of the Bible</p> Signup and view all the answers

    What does the accounting department of a large firm do to check the accuracy of all invoices?

    <p>Randomly select a sample of invoices</p> Signup and view all the answers

    Which field applies statistical tools and concepts for analyzing data from the biological sciences and medicine?

    <p>Epidemiology</p> Signup and view all the answers

    What do governments need statistical data on for making right decisions?

    <p>Population growth and health</p> Signup and view all the answers

    What is a common application of statistical analysis in business?

    <p>Testing production designs</p> Signup and view all the answers

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