Statistics & ProbabilityEasy

Explain a 95% confidence interval in plain English.

Seen at: Meta · Airbnb · Netflix

A data scientist tells a PM: 'the 95% confidence interval for our conversion lift is [−0.5%, +2.8%].' How do you explain what that means?

Draft your answer

Saved to this browser only. Try it before you peek at the model answer.

Stuck? Peek at a hint

Reveals the model answer and the self-score rubric.

More statistics & probability questions