Root Cause Analysis Practice Cases

46 practice cases

• Netflix Mobile App Video Playback Error Investigation

  Netflix recently saw a 25% increase in video playback errors on its mobile app. How would you investigate this problem?

• E-commerce New User Conversion Drop

  As a PM for an e-commerce platform like Etsy, you've noticed a 15% drop in conversion rates for new users completing their first purchase, starting three days ago. How would you investigate this decline?

• Netflix Android DAU Drop Investigation

  After our latest Android app update, the daily active users (DAU) for the Netflix Android app have dropped by 10% over the last week. How would you investigate the root cause of this decline?

• Netflix 'Continue Watching' Engagement Drop

  Netflix's 'Continue Watching' row engagement has suddenly dropped by 25% week-over-week. How would you investigate the root cause?

• Investigating Instagram Reels DAU Drop

  The daily active users (DAU) on Instagram's Reels feature dropped by 15% last week. What steps would you take to understand the root cause of this decline?

• Investigating Dip in Track Completions for New Spotify Premium Converts

  Imagine you're the PM for Spotify's Premium subscription. How would you investigate a sudden 8% dip in daily track completions (listening to a track fully) specifically for users who recently converted from a free trial?

• YouTube Long-Form Watch Time Drop Post-Shorts Tab Launch

  At YouTube, after launching a new 'Shorts' tab in the main navigation, we've seen a 15% decrease in average watch time for long-form videos. How would you investigate the root cause?

• Diagnosing drop-off in a new B2B SaaS module

  You're the PM for a complex B2B SaaS platform like Salesforce. After launching a new 'Advanced Reporting' module, usage data indicates high initial exploration but a steep 7-day drop-off among users who activated the feature. How would you diagnose the underlying issues contributing to this drop-off

• Instagram Stories Creation Drop Analysis

  As a Product Manager for Instagram Stories, you notice that the daily 'Stories creation rate' has dropped by 12% over the past week, coinciding with a recent app update that included a new sticker pack feature. How would you investigate the root cause?

• Investigating increased sign-up drop-offs on an e-commerce app

  How would you investigate a sudden 5% increase in user sign-up drop-offs on a popular e-commerce app?

• Investigating Soundify Android DAU Drop

  A popular music streaming service, Soundify, observed a 15% drop in daily active users (DAU) on its Android app over the past week. How would you investigate this?

• Investigating a Drop in Ride-Sharing Engagement

  For a ride-sharing app like Uber, you observe a sudden 7% decrease in the average number of rides per weekly active user (WAU) over the past two weeks. How would you investigate the potential product-related causes using analytics?

• Investigating a Drop in Instagram Reels DM Sharing

  As a PM for Instagram Reels, you observe a 25% decline in Reels being shared via Direct Message over the past week, while overall Reel consumption remains stable. How would you diagnose the root cause?

• Peloton Subscription Cancellation Surge Investigation

  You're a PM at Peloton focused on subscriber retention. Your team has observed a 10% increase in monthly subscription cancellations over the last two months. How would you approach investigating whether this surge is primarily due to internal product issues or external market dynamics like new compe

• Stripe Chargeback Spike Investigation

  You're a PM for the Payments team at Stripe. Yesterday, your dashboards showed a 500% spike in chargeback disputes initiated against merchants using Stripe, costing millions. How would you diagnose the root cause and advise the broader product and engineering teams?