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For you, what makes customer service stand out as great?

What range of loss functions have you encountered or applied?

Elaborate on the assumptions of linear regression and why they must be considered when analyzing findings generated by regression models.

Build an online shopping platform with features like Amazon.

Design an app to share photos.

What are some potential flaws in the design of an A/B test that could cause significant differences between the control and variant groups?

Can you name one brand that you believe has a good product but lacks effective marketing? Conversely, can you name another brand that you believe has strong marketing but their product does not meet expectations? Please explain your choices and provide reasons for your assessment.

What would you change to make Expedia better?

Do you have a favorite product? How would you improve it? What metric would you use to track progress?

How do your current aspirations contribute to your long-term career objectives?