Practice Significance Of Repeatability (3.3) - Accuracy in Measurement

Practice: Significance of Repeatability

Lesson 3.3Accuracy in Measurement

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9 questions

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2 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does repeatability refer to in measurements?
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Think about what happens if you measure something multiple times.
Question 2.
Name one factor that can lead to measurement error.
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Consider influences that might affect the measuring process.
3Question 3.
What is repeatability in measurement?
- Consistency of results
- Accuracy of results
- Calibration importance
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Think about how often you want your measurement to stay the same.
4Question 4.
True or False: Calibration is only necessary once when you buy an instrument.
- True
- False
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Consider how often you check your tools for accuracy.
Question 5.
You take three measurements of a sample, and they yield 5.1g, 4.9g, and 5.0g. Analyze the precision of these measurements.
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What do you figure out when you look at how similar those numbers are?
Question 6.
During an experiment, you think your measurement tool is giving inconsistent readings. What steps would you take to confirm its reliability?
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Consider what you'd want to do to test if your instrument is correct.

5 more questions in this section. Enroll free to practise them all.