Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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 related to the topic.
Question 1
Easy
What is a random error?
💡 Hint: Think about the variability in measurements.
Question 2
Easy
Name one cause of random errors.
💡 Hint: Consider how you measure.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What are random errors?
- Errors that are predictable
- Errors that can vary each time
- Errors due to instrument fault
💡 Hint: Remember if they can fluctuate.
Question 2
True or False: Averaging multiple readings can reduce random errors.
- True
- False
💡 Hint: Think about statistical means.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A student measured the length of a desk four times and got readings of 120, 122, 121, and 123 cm. Calculate the average and discuss how these random errors might affect the overall result.
💡 Hint: Identify the average of these numbers.
Question 2
During a lab session, the temperature was taken multiple times: 25.5°C, 26.0°C, 25.7°C, and 25.8°C. Discuss how averaging these readings can lead to a more accurate result.
💡 Hint: Calculate the mean temperature to find consistency.
Challenge and get performance evaluation