Introduction to Statics
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Questions and Answers

What should you compute in cross-tabulations when analyzing the relationship between two variables?

  • Frequency distribution
  • Measures of dispersion
  • Percentages, chi-square tests, or measures of association (correct)
  • Measures of central tendency
  • What is an essential step in data validation to ensure the reliability of presented information?

  • Focusing on numerical values
  • Using pie charts
  • Including multiple modes
  • Verifying the accuracy of calculations and data entries (correct)
  • Which software tools can be used to facilitate the tabulation process, especially for large datasets?

  • Excel, R, Python (correct)
  • PowerPoint and Word
  • Google Chrome and Firefox
  • Photoshop and Illustrator
  • What is categorical data primarily characterized by?

    <p>Distinct categories with no natural order or numerical value</p> Signup and view all the answers

    What type of data can bar charts visualize effectively?

    <p>Nominal data</p> Signup and view all the answers

    What does a pie chart illustrate effectively in terms of categorical data?

    <p>Proportion of each category</p> Signup and view all the answers

    In categorical data analysis, what does the mode represent?

    <p>Category that occurs most frequently</p> Signup and view all the answers

    When categorizing data into distinct groups, what may be determined when there is a 'no mode' situation?

    <p>'No mode' implies perfect symmetry in data</p> Signup and view all the answers

    Which statistical test is used to determine if there is a significant association between two categorical variables?

    <p>&quot;Chi-square test&quot;</p> Signup and view all the answers

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