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

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

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?

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.

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

Input:

<code>big_table</code> table

<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

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.

How would you assess the validity of the result?

Experiment Validity

Otter.Ai Salaries by Position

Who We Are At Otter, we are dedicated to building Infrastructure for Better Food. Our mission is to empower restaurateurs worldwide to thrive in the online food delivery market. By making food more affordable, of higher quality, and convenient, we're transforming the industry for everyone, from budding entrepreneurs opening their first restaurant to global quick-service chains. What You'll Do As a backend-focused Software Engineer, you will be an integral part of our data-driven development team, contributing to the advancement of our cutting-edge menu platform. Your responsibilities will include: <ul> <li>Data-Driven Development: Contribute to our data-centric development efforts. </li><li>Project Planning: Participate in strategic planning for various internal tools. </li><li>Agile Methodologies: Implement and test software using agile methodologies. </li><li>Collaborative Teamwork: Work closely with a team to enhance and support our technology. </li><li>Code Contribution: Write, debug, maintain, and test code across multiple projects. </li><li>Architectural Design: Design scalable systems with a focus on robust architecture. </li><li>Continuous Improvement: Engage in continuous improvement initiatives. </li><li>Innovation: Drive innovation within the team and support technological advancements at CSS. </li></ul>What the Team Focuses On Our menu platform offers comprehensive menu management features designed to streamline restaurant operations, enhance customer experiences, and optimize performance. It serves as a single source of truth for menus, seamlessly integrating with online channels such as DoorDash, UberEats, and Grubhub and offline point-of-sale (POS) systems like Square, Toast, and NCR. Key capabilities include updating menus with new items, pricing, and taxes, performing A/B testing on different structures, setting availability by channel, creating combos and promotions, managing ingredients and SKUs, and configuring operational hours. Additionally, our platform features automated linking to ensure POS and online menus are always synchronized, minimizing discrepancies. Boasting a 99.9% availability rate, our platform supports a vast network of brands in the US and worldwide, ensuring uninterrupted service. Over 100,000 restaurateurs use our platform daily to streamline their operations and consistently express high satisfaction. What We're Looking For <ul> <li>Education: Bachelor's Degree in Computer Science, Software Engineering, Mathematics, Computer Systems or Networks Engineering, or a related technical field. </li><li>Experience: 5-8 years of domain experience in a relevant role. Java experience a MUST. </li> <li>Individual Contribution: Proven track record of significant contributions in previous roles as an Engineer </li><li>Architectural Skills: Ability to design and create robust architecture from scratch and evolve existing systems. </li><li>Technical Expertise: Experience designing and implementing scalable, reliable, and efficient distributed systems. </li><li>Application Maintenance: Experience in maintaining and extending large-scale, high-traffic applications. </li></ul>Why Join Us <ul> <li>Growing Market: You'll be part of an $80 billion market projected to reach at least $500 billion by 2030 in the US alone. </li><li>Industry Impact: Join a team that is transforming the restaurant industry and helping restaurants succeed in online food delivery. </li><li>Collaborative Environment: Benefit from the support and guidance of experienced colleagues and managers, who will help you learn, grow, and achieve your goals. Work closely with other teams to ensure our customers' success. </li></ul> Additional Information This role is based in our Mountain View office. We believe in the power of in-person collaboration to drive innovation and success. Therefore, all our teams work from our office locations five days a week. We look forward to sharing more about a meaningful career at CSS! Ready to join us as we serve those who serve others? #LI-Onsite

The Opportunity We are looking for a talented and experienced Engineer to own development of our consumer mobile app for the iOS platform. Members of the engineering team work collaboratively as a group and with colleagues in technology, who are devising AI solutions, and product management to deploy systems and infrastructure to serve the needs of end-user professionals and enterprise clients across a number of verticals. This is an incredible opportunity to have an impact and see your ideas come to life! We're looking for someone who <ul> <li>5+ years of experience in developing iOS apps with Objective-C and Swift </li><li>Experience in the entire development lifecycle for shipping consumer-facing apps on the App Store </li> <li>Strong understanding and experience in concurrency, memory management, and network communication on iOS devices </li> <li>Passion to build best-in-class user interface on mobile apps </li><li>Ability to communicate effectively with colleagues on feature requirements and technical problems </li><li>BS or MS in computer science or related field </li><li>Knowledge of backend API development is preferred </li> </ul>About Otter.ai We are in the business of shaping the future of work. Our mission is to make conversations more valuable. With over 1B meetings transcribed, Otter.ai is the world's leading tool for meeting transcription, summarization, and collaboration. Using artificial intelligence, Otter generates real-time automated meeting notes, summaries, and other insights from in-person and virtual meetings - turning meetings into accessible, collaborative, and actionable data that can be shared across teams and organizations. The company is backed by early investors in Google, DeepMind, Zoom, and Tesla. Otter.ai is an equal opportunity employer. We proudly celebrate diversity and are dedicated to inclusivity. *Otter.ai does not accept unsolicited resumes from 3rd party recruitment agencies without a written agreement in place for permanent placements. Any resume or other candidate information submitted outside of established candidate submission guidelines (including through our website or via email to any Otter.ai employee) and without a written agreement otherwise will be deemed to be our sole property, and no fee will be paid should we hire the candidate. Salary range Salary Range: $185,000 to $210,000 USD per year. This salary range represents the low and high end of the estimated salary range for this position. The actual base salary offered for the role is dependent on several factors. Our base salary is just one component of a comprehensive total rewards package.

Otter.Ai Interview Questions

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Otter.Ai Interview Questions

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