Statistics: Descriptive Statistics Overview
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Questions and Answers

In which type of measurement scale do the distances between attributes not have any meaning?

  • Interval Scale
  • Ratio Scale
  • Nominal Scale
  • Ordinal Scale (correct)

    • What type of test of significance is appropriate when parametric assumptions have been greatly violated?

  • Chi-square test (correct)
  • ANOVA
  • Independent t-test
  • Paired t-test

    • When would you use a Mann-Whitney U test?

  • When your data is ordinal or nominal (correct)
  • When you have a dependent sample
  • When comparing multiple groups
  • When your data is ratio scale

    • What is the main difference between independent and dependent samples?

    <p>Dependent samples extracts two data from each person</p> Signup and view all the answers

    What is the main focus of Descriptive Statistics?

    <p>Summarizing a sample</p> Signup and view all the answers

    Which statistical procedure is suitable for data that meet the assumption of normality?

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

    What does Inferential Statistics involve?

    <p>Making predictions about a population</p> Signup and view all the answers

    Why is it important for a sample to be representative in Inferential Statistics?

    <p>To make accurate predictions about the population</p> Signup and view all the answers

    Which measures are commonly used in Descriptive Statistics to describe a data set?

    <p>Measures of central tendency</p> Signup and view all the answers

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