Welcome to your interview for the Data Scientist role at Omaha Public Power.
The question is on your right: Statistical Significance of Metric Change. Take a moment with it first.
Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen. You have three graded attempts to score 7/10 or better.
How would you determine whether a change in a key business metric is statistically significant?