Meta·Data Scientist·Technical Phone Screen
- How would you compute the expected value of the number of comments per post on a social platform feature?
- State the Central Limit Theorem and explain why it matters in the context of analyzing comment counts per post.
- When should you use population standard deviation versus sample standard deviation when working with comment count data?
- Build a 95% confidence interval for the mean number of comments per post and walk through what it actually means.
“Seemed straightforward at first.”