Statistical Analysis
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Questions and Answers

Which statement best describes the null hypothesis?

  • The null hypothesis assumes there is no relationship between two variables.
  • The null hypothesis assumes there is a change or difference between two groups.
  • The null hypothesis assumes there is a relationship between two variables.
  • The null hypothesis assumes there is no change or difference between two groups. (correct)

    • What do descriptive statistics do?

  • Descriptive statistics summarize the characteristics of a data set. (correct)
  • Descriptive statistics determine the alternative hypothesis.
  • Descriptive statistics help you come to conclusions and make predictions based on your data.
  • Descriptive statistics analyze the larger population from which the sample is taken.

    • What do inferential statistics do?

  • Inferential statistics analyze the larger population from which the sample is taken.
  • Inferential statistics help you come to conclusions and make predictions based on your data. (correct)
  • Inferential statistics summarize the characteristics of a data set.
  • Inferential statistics determine the alternative hypothesis.

    • What does the alternative hypothesis state?

    <p>The alternative hypothesis assumes there is a change or difference between two groups.</p> Signup and view all the answers

    Who do ethics guidelines protect?

    <p>Ethics guidelines protect all of the above.</p> Signup and view all the answers

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