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Lesson: Measurement Accuracy and Precision

In this lesson, we will learn how to define measurement accuracy and precision and explain how different types of measurement errors affect them.

Question Video: Measurement Accuracy and Precision

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Worksheet: Measurement Accuracy and Precision • 8 Questions

Q1:

Which of the following statements most correctly describes how zero measurement errors affect the accuracy and the precision of measurements?

  • AZero errors decrease measurement accuracy.
  • BZero errors decrease both the accuracy and the precision of measurements.
  • CZero errors do not affect measurement accuracy or measurement precision.
  • DZero errors decrease measurement precision.

Q2:

Which of the following statements most correctly describes how systematic measurement errors affect the accuracy and the precision of measurements?

  • ASystematic errors decrease measurement accuracy.
  • BSystematic errors decrease both the accuracy and the precision of measurements.
  • CSystematic errors do not affect measurement accuracy or measurement precision.
  • DSystematic errors decrease measurement precision.

Q3:

Which of the following statements most correctly describes how random measurement errors affect the accuracy and the precision of measurements?

  • ARandom errors decrease both the accuracy and the precision of measurements.
  • BRandom errors decrease measurement accuracy.
  • CRandom errors do not affect measurement accuracy or measurement precision.
  • DRandom errors decrease measurement precision.
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