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<p>Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.</p>

<p>How would you assess the validity of the result?</p>


Experiment Validity

<p>Let’s say you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.</p>

<p>The company has been consistently growing new users in the city from January to March.</p>

<p>What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?</p>


<p>What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?</p>

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

<p>You are testing hundreds of hypotheses with many <em>t</em>-tests. What considerations should be made?</p>


<p>What is a key disadvantage of the F-test when compared to multiple t-tests?</p>

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Truebill Salaries by Position

<p>Rocket Money’s mission is to empower people to live their best financial lives. Rocket Money offers members a unique understanding of their finances and a suite of valuable services that save them time and money – ultimately giving them a leg up on their financial journey.</p><p>Data Scientists at Rocket Money further our mission by building data products that deepen customer relationships with our many financial products. Our team builds machine learning driven product experiences that identify and engage customers who would benefit from mortgage and personal loan products. We integrate with product and engineering teams to understand, explain, predict, and intervene to improve product retention. Data Scientists also support growth operations by designing ML driven personalization experiences in onboarding. We have a strong preference for team players that are comfortable collaborating across teams, know how to shape strategy with data, and can deliver solutions within engineering teams.</p><h3>Responsibilities:</h3><ul><li>Build new, machine learning powered user-facing features and experiences in deep collaboration with engineering, product, and design teams. Use your expertise in ML system and model design to delight our customers with new user experiences.</li><li>Optimize to continuous product feedback loops - understand that data science is the practice of a continuous lifecycle of measurement, analysis, modeling, and hypothesis testing.</li><li>Help develop the next version of Autopilot and Budgets. Ensure members have money in the right place at the right time for their near and long term goals.</li><li>Uncover and exploit relationships between customers’ subscriptions, purchase, and transaction data as you build personalized product experiences.</li><li>Design and conduct experiments to estimate the impact of new products, customer messaging, and marketing.</li></ul><h3>Qualifications:</h3><ul><li>6+ years of professional experience working in a data science capacity.</li><li>Excellent software engineering skills and experience working with engineering teams to build software.</li><li>Deep experience in customer segmentation and personalization, time series modeling, natural language processing, and design and implementation of experiments.</li><li>Experience in fintech, banking, or finance is a plus.</li></ul><h3>Benefits:</h3><ul><li>Competitive Pay</li><li>401k Matching</li><li>Unlimited PTO</li><li>Snacks & Coffee (in-office only)</li><li>Commuter benefits (in-office only)</li></ul><p>Rocket Money, Inc. is an Affirmative Action and Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.</p>
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Truebill Interview Questions

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Truebill Interview Questions

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