Statistics Definition and Classification of Variables
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Questions and Answers

What is the main focus of descriptive statistics?

  • Testing hypotheses about population parameters
  • Summarizing and organizing data (correct)
  • Analyzing cause-and-effect relationships
  • Making predictions about future events

    • Which type of variable can be categorized based on its characteristics, such as nominal, ordinal, interval, or ratio?

  • Continuous variable
  • Categorical variable (correct)
  • Dependent variable
  • Explanatory variable

    • What is the purpose of a frequency distribution in descriptive statistics?

  • To establish cause-and-effect relationships
  • To predict future events based on historical data
  • To test hypotheses about population parameters
  • To summarize and display the distribution of a variable's values (correct)

    • What is the main focus of the information provided?

    <p>The classification of variables</p> Signup and view all the answers

    In statistics, what does the term 'variables' refer to?

    <p>Quantities that can change or vary</p> Signup and view all the answers

    What is the primary focus of inferential statistics?

    <p>Making predictions and testing hypotheses about a population based on a sample</p> Signup and view all the answers

    In inferential statistics, what is the purpose of sampling?

    <p>To make inferences or generalizations about a population based on a subset of data</p> Signup and view all the answers

    What role does hypothesis testing play in inferential statistics?

    <p>It is a method for making decisions or inferences about a population parameter</p> Signup and view all the answers

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