Practice - Principles
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define accuracy.
💡 Hint: Think about how well a measurement corresponds to the actual value.
What is a systematic error?
💡 Hint: Consider errors caused by faulty equipment.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the difference between accuracy and precision?
💡 Hint: Consider the definitions of both terms.
True or False: Systematic errors can be corrected through recalibration.
💡 Hint: Think about how errors impact measurement results.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A series of measurements yields the following values: 4.98 g, 4.95 g, and 5.00 g. What is the mean value and standard deviation of these measurements?
💡 Hint: Use the formula for the mean and the standard deviation.
You consistently measure an object that is supposed to be 100 cm long, but your readings fluctuate between 98 cm and 102 cm. Discuss whether your measurements are accurate or precise and suggest how you could improve them.
💡 Hint: Consider the device and any biases it may have.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.