Practice - Deviation from the Mean
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
What is the deviation of a measurement of 8 from a mean of 10?
💡 Hint: Remember to subtract the mean from the measurement.
What is the mean of the following numbers: 2, 4, 6, 8?
💡 Hint: Add the numbers and divide by how many there are.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does deviation measure?
💡 Hint: Think about what deviation signifies in statistical data.
Is standard deviation a measure of accuracy or precision?
💡 Hint: Reflect on the difference between consistency and correctness.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given the following set of measurements: 10, 12, 14, 16, and 18. Calculate the mean and standard deviation, then interpret what the results indicate about the data's reliability.
💡 Hint: Don't forget the step of calculating squared deviations when finding standard deviation.
Experiment X has a mean of 100 and a standard deviation of 20. Experiment Y has a mean of 100 and a standard deviation of 10. Which experiment demonstrates greater precision, and why?
💡 Hint: Consider the spread of each set of measurements around their mean.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.