Rakuten Kobo Interview Questions
The questions to prepare for Rakuten Kobo interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Determine the sample size needed to detect a meaningful A/B test effect at a chosen significance level and power.
Calculate each customer's 7-day rolling average purchase amount using a date-based window frame.
Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.
Identify the causes of a quarterly engagement decline through metric validation, decomposition, segmentation, and trend analysis.
Explain statistical significance, p-values, uncertainty, and practical importance to a non-technical audience.
Explain how you prioritize work across multiple operational projects with competing deadlines, impact, and stakeholder pressure.
Explain your SQL experience clearly by covering query types, analysis tasks, tools used, and how your work supported decisions.
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Calculate each user's rolling 7-day purchase average with a PostgreSQL window function.
FactoredCount distinct Next Insurance policyholders with a policy change within 30 days of purchase.
Next insurance