Statistics & Experimentation Interview Questions

Review this list of 80 Statistics & Experimentation interview questions and answers verified by hiring managers and candidates.

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You're designing an A/B test to evaluate the impact of showing content from non-friends in users' feeds. How would you test this with proper randomization?
a year ago1 answer
A $5 discount coupon is given to N riders. The probability of using a coupon is P. What is the expected cost for the company? Has video answer
2 years ago7 answers
How do you select input for modeling if there are features highly correlated with each other? Has video answer
2 years ago
Explain Bayes' theorem. Has video answer
2 years ago4 answers
Explain precision and recall to a non technical stakeholder
10 months ago2 answers
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On DoorDash, there are missing item and wrong item issues for deliveries. How would you analyze each of them?
a year ago1 answer
You're a PM at a food delivery app where conversion rates have declined over the past week. How would you investigate the causes? (Conversion: From users browsing to placing orders.)
a year ago
You launched a feature and user behavior changed, how do you define success metrics?
7 months ago
In the transformer architecture, what makes the decoder different from the encoder?
2 years ago2 answers
What are outliers and how do you detect and handle them? Has video answer
6 answers
A PM at Google asked you to describe the distribution of daily search queries per user. How would you describe it?
a year ago4 answers
How would you design an A/B test for a new campaign? Has video answer
2 years ago2 answers
How would you model the expected ROI of a new product launch?
8 months ago2 answers
Describe a situation where using an A/B test would be appropriate.
2 years ago4 answers
What's the difference between normalization and standardization? Has video answer
4 answers
Robinhood is planning to introduce a new feature which allows users to trade fractional shares. How would you decide whether this is a good idea or not?
2 years ago1 answer
How would you evaluate Facebook's emotion scale? What metrics and tests would you use?
a year ago1 answer
What is a p-value? Has video answer
2 months ago4 answers
If you flip a coin 10 times and the results are all heads, what’s the probability that the coin is a fair coin? Has video answer
2 answers
Design a test to measure the effectiveness of a new rider-driver matching algorithm. Has video answer
1 answer

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Statistics & Experimentation Interview Questions

You're designing an A/B test to evaluate the impact of showing content from non-friends in users' feeds. How would you test this with proper randomization?

A $5 discount coupon is given to N riders. The probability of using a coupon is P. What is the expected cost for the company? Has video answer

How do you select input for modeling if there are features highly correlated with each other? Has video answer

Explain Bayes' theorem. Has video answer

Explain precision and recall to a non technical stakeholder

On DoorDash, there are missing item and wrong item issues for deliveries. How would you analyze each of them?

You're a PM at a food delivery app where conversion rates have declined over the past week. How would you investigate the causes? (Conversion: From users browsing to placing orders.)

You launched a feature and user behavior changed, how do you define success metrics?

In the transformer architecture, what makes the decoder different from the encoder?

What are outliers and how do you detect and handle them? Has video answer

A PM at Google asked you to describe the distribution of daily search queries per user. How would you describe it?

How would you design an A/B test for a new campaign? Has video answer

How would you model the expected ROI of a new product launch?

Describe a situation where using an A/B test would be appropriate.

What's the difference between normalization and standardization? Has video answer

Robinhood is planning to introduce a new feature which allows users to trade fractional shares. How would you decide whether this is a good idea or not?

How would you evaluate Facebook's emotion scale? What metrics and tests would you use?

What is a p-value? Has video answer

If you flip a coin 10 times and the results are all heads, what’s the probability that the coin is a fair coin? Has video answer

Design a test to measure the effectiveness of a new rider-driver matching algorithm. Has video answer

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