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How many user testing sessions have you conducted?

Why do you want to join Yahoo?

Have you ever had to disagree with a member of your team?

Discuss the concept of heteroscedasticity.

Can you work out how much the Segway is worth in the US?

If you were tasked with developing a demand forecasting model for a ride-sharing service, what approach would you take? What data sources and factors would you consider, and how would you ensure the model's accuracy?

Tell me of an instance where you failed at work.

When you thought you had a lot of responsibilities in a previous role, how did you overcome that challenge?

How do you distinguish between the standard error of the mean and the median?

How do you deal with binary classification datasets that are unevenly distributed, where one class dominates the other in terms of instance count?