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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>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?

<p>Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.</p>

<p>Write a query to randomly sample a row from this table.</p>

<p><strong>Input:</strong></p>

<p><code>big_table</code> table</p>

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>


Write a query to randomly sample a row from a big table.

Random SQL Sample

Pathai Salaries by Position

<p>Who We Are PathAI's mission is to improve patient outcomes with AI-powered pathology. Our platform promises substantial improvements to the accuracy of diagnosis and the efficacy of treatment of diseases like cancer, leveraging modern approaches in machine learning. Rigorous science and careful analysis is critical to the success of everything we aspire to do. Our team, composed of diverse employees with a wide range of backgrounds and experiences, is passionate about solving challenging problems and making a huge impact. We're looking for skilled and experienced engineers to join our team and help lay the groundwork for our growing software platform. We believe in using the best tool for the job. While we're always looking to improve, in this role, those tools currently include: Python FastAPI & Django  DRF Docker AWS: EKS, S3, RDS/PostgreSQL, SQS, MSK/Kafka, MQ/RabbitMQ What You'll Do Solve interesting problems with code. Build new features for internal and external users, and refactor existing ones to make them better. Work with a wide range of systems, processes, and technologies to solve problems in sustainable ways. Sometimes you'll be neck-deep in low-level systems, and other times you'll be pairing up with the front-end team on the user interface. Drive the architecture of our application platform, considering the team and our future product roadmap. Collaborate with product, design, front-end, machine learning, and infrastructure teams. Drive and uphold high engineering standards, bringing consistency to the codebases you encounter and ensuring software is adequately reviewed, tested, and integrated. Mentor, learn, and share knowledge with others along the way. Take responsibility for the quality of the code produced by you and the team. Contribute to the development of software as a medical device aiming at improving patient outcomes Design and implement backend services for the integration of IMS with LIS using HL7 standards. Develop data pipelines and interfaces using Kafka. What You'll Need . Bachelor of Science (or higher) in Computer Science or equivalent. 5 years of full life cycle development experience in python. An insatiable intellectual curiosity and the ability to learn quickly in a complex space. Experience and skills in designing and building python-based (FastAPI or Django) applications. Solid foundation in data structures, algorithms, and OO design. Ability to collaborate with a distributed team and to work autonomously on projects. Strong problem-solving skills and the ability to work in a fast-paced, agile environment. Cloud Platform experience (AWS) (knowledge of some IaC framework is a plus). Hands-on experience with CI/CD tools like GitLab CI is a plus. Knowledge of containerization technologies like Docker and container orchestration tools like Kubernetes is a plus. We Want to Hear From You At PathAI, we are looking for individuals who are team players, are willing to do the work no matter how big or small it may be, and who are passionate about everything they do. If this sounds like you, even if you may not match the job description to a tee, we encourage you to apply. You could be exactly what we're looking for. PathAI is an equal opportunity employer, dedicated to creating a workplace that is free of harassment and discrimination. We base our employment decisions on business needs, job requirements, and qualifications - that's all. We do not discriminate based on race, gender, religion, health, personal beliefs, age, family or parental status, or any other status. We don't tolerate any kind of discrimination or bias, and we are looking for teammates who feel the same way. LI-Remote</p>

Pathai Interview Questions

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Pathai Interview Questions

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