28.3.3 - Lognormal Distribution
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 characterizes a lognormal distribution?
💡 Hint: Consider how the logarithm relates to normality.
Give an example where lognormal distribution can be applied.
💡 Hint: Think of variables that cannot be negative.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is a defining characteristic of a lognormal distribution?
💡 Hint: Think about what makes lognormal unique.
A lognormal distribution can take negative values.
💡 Hint: Recall the definition.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A company claims that their product's lifetime follows a lognormal distribution. The average lifetime of their products is 10 years, and the coefficient of variation is 0.4. What does this imply about the distribution?
💡 Hint: Consider what a high coefficient of variation indicates.
If you are given a dataset and want to test if it is lognormally distributed, explain the process you'd use.
💡 Hint: Focus on statistical tests for normality.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.