Understanding Gross Errors in Measurements
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Questions and Answers

What term is used to describe a single gross error in a set of readings or measurements?

  • Systematic error
  • Precision error
  • Random error
  • Outlier (correct)
  • In the context of experiments, what type of error is defined as so large that it cannot be attributed to systematic or random errors?

  • Random error
  • Outlier (correct)
  • Systematic error
  • Indeterminate error
  • How does a gross error affect both accuracy and precision in experiments?

  • It affects accuracy but not precision
  • It affects both accuracy and precision (correct)
  • It does not affect either accuracy or precision
  • It affects precision but not accuracy
  • Which type of error in experiments can be determined if the true value is known?

    <p>Systematic error</p> Signup and view all the answers

    Which type of error always has the same magnitude and sign, resulting in a bias of the measured values from the true value?

    <p>Systematic errors</p> Signup and view all the answers

    What is another name for systematic errors that always have the same magnitude and sign?

    <p>Determinant errors</p> Signup and view all the answers

    Which type of error causes a spread or dispersion of measured values from the true value with different magnitudes and signs?

    <p>Random errors</p> Signup and view all the answers

    What is another name for random errors that have different magnitudes and signs?

    <p>Indeterminate errors</p> Signup and view all the answers

    Which type of error is caused by uncontrollable or unknown fluctuations in variables that may affect experimental results?

    <p>Indeterminate error</p> Signup and view all the answers

    What is the primary difference between accuracy and precision in analytical chemistry?

    <p>Accuracy relates to how close a measurement is to the true value, while precision relates to the consistency of multiple measurements.</p> Signup and view all the answers

    What is the characteristic of determinate errors in experiments?

    <p>They are avoidable and known errors.</p> Signup and view all the answers

    What is a common example of a human error that could occur during experiments?

    <p>Following the wrong instructions for the experiment.</p> Signup and view all the answers

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