Statistics Basics Quiz

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Questions and Answers

In statistics, what assures that inferences and conclusions can reasonably extend from the sample to the population as a whole?

  • Random sampling (correct)
  • Descriptive statistics
  • Inferential statistics
  • Experimental study

Which statistical method summarizes data from a sample using indexes such as the mean or standard deviation?

  • Experimental study
  • Inferential statistics
  • Random variation
  • Descriptive statistics (correct)

What is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data?

  • Anthropology
  • Economics
  • Sociology
  • Statistics (correct)

What type of study in statistics involves experimental manipulation?

<p>Experimental study (A)</p> Signup and view all the answers

When census data cannot be collected, how do statisticians collect data?

<p>By developing specific experiment designs and survey samples (C)</p> Signup and view all the answers

What is the main focus of statistics?

<p>Collection and interpretation of data (A)</p> Signup and view all the answers

What is a statistical population?

<p>A specific group of people or objects to be studied (A)</p> Signup and view all the answers

What is the purpose of representative sampling in statistics?

<p>To extend inferences and conclusions from a sample to the whole population (D)</p> Signup and view all the answers

What is the difference between an experimental study and an observational study in statistics?

<p>An experimental study involves manipulation, while an observational study does not (C)</p> Signup and view all the answers

Which statistical method is used to draw conclusions from data subject to random variation?

<p>Inferential statistics (A)</p> Signup and view all the answers

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