Introduction to Statics in Physics and Engineering
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Questions and Answers

What is a suitable visual representation for illustrating the distribution of categorical data in percentages?

  • Histogram
  • Bar chart (correct)
  • Scatter plot
  • Line graph

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

  • Regression analysis
  • T-test
  • ANOVA
  • Chi-square test (correct)

    • What is the category that occurs most frequently in a dataset known as?

  • Standard Deviation
  • Median
  • Mean
  • Mode (correct)

    • What measure can be applied to ordinal data if there is a meaningful order among the categories?

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

    What is the purpose of contingency tables?

    <p>Analyzing relationships between two categorical variables</p> Signup and view all the answers

    In the context of categorical data, what does frequency distribution refer to?

    <p>Summarizing the counts or frequencies of each category</p> Signup and view all the answers

    When creating a frequency distribution for categorical data, what should you do after listing all unique categories?

    <p>Count how many times each category appears in the dataset</p> Signup and view all the answers

    Which type of chart is suitable for visual representation of frequency distributions using bars?

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

    'Categorical data refers to variables that can be divided into _____ categories or groups.' Complete the sentence:

    <p>&quot;Distinct&quot;</p> Signup and view all the answers

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