Practice - Accuracy and Precision
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Practice Questions
Test your understanding with targeted questions
What does accuracy measure in a scientific context?
💡 Hint: Think of accuracy in relation to a target.
Define precision in your own words.
💡 Hint: How consistently can you hit the same point?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What term describes the closeness of a measurement to the true value?
💡 Hint: Think of what it means to be close to something.
True or False: The least count of an instrument affects its precision.
💡 Hint: What happens when you can measure smaller values?
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a scientist measures the length of a metal rod as 1.2 meters multiple times with minimum variation, but the actual length is 1.25 meters, calculate the error and determine the accuracy and precision of the measurements.
💡 Hint: Evaluate both precision and accuracy based on repeated measurements against the true value.
A digital scale shows a weight of 2.5 kg for an object that weighs 2.53 kg. What is the percentage error in the measurement?
💡 Hint: Remember to calculate error first and then use the percentage formula.
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