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Petco Interview Questions

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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

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

Petco Salaries by Position

Create a healthier, brighter future for pets, pet parents and people! If you want to make a real difference, create an exciting career path, feel welcome to be your whole self and nurture your wellbeing, Petco is the place for you. Our core values capture that spirit as we work to improve lives by doing what's right for pets, people and our planet. <ul><li>We love all pets like our own </li><li>We're the future of the pet industry </li><li>We're here to improve lives </li><li>We drive outstanding results together </li><li>We're welcome as we are </li></ul>Petco is a category-defining health and wellness company focused on improving the lives of pets, pet parents and Petco partners. We are 29,000 strong and operate 1,500+ pet care centers in the U.S., Mexico and Puerto Rico, including 250+ Vetco Total Care hospitals, hundreds of preventive care clinics and eight distribution centers. We're focused on purpose-driven work, and strongly believe what's good for pets, people and our planet is good for Petco. Petco is looking for an experienced Technical Product Manager of Data Platforms who is passionate about developing data workflows and has a robust knowledge of data platforms. You will help lead product strategy and roadmaps, take ownership of end-to-end delivery of data products, and guide data governance best practices across internal teams. As a Senior Product Manager, you will be responsible for managing and directing existing data products and ideating new ones. You will also collaborate and work closely with leadership across data teams to drive the technical development of various data products toward market-ready solutions. Responsibilities: <ul> <li>Collaborate with analytics, data science, engineering, product & business teams to ensure seamless product development. </li><li>Define and communicate our data platform's vision, strategy, and goals, as well as train and manage junior product managers. </li><li>Develop product roadmaps, high-level epics and data products across multiple data platforms, define a roadmap and execute a plan to achieve that vision. Lead the design, building, and launching of new data models, data pipelines, and data products, as well as detailed user stories for developing different components of the data processing ecosystem. </li><li>Create processes for collecting feedback from users and prioritizing requests across business stakeholders. </li><li>Work with engineering and data teams to build critical infrastructure and pipelines to support reporting and analytics needs. </li><li>Define and analyze key insights to track the performance of our data products. Acquire, manage, transform and ensure timely access to business-critical data and insights. </li><li>Lead data quality and governance standards in collaboration across all internal teams </li></ul>Qualifications: <ul> <li>Master's degree in Business, Economics, Statistics, Data Science or another quantitative field </li><li>5+ years of product management experience, including delivery of entire products from start to finish5+ years managing data platform related products (data processing, data warehousing, data ingestion, API design) </li><li>Prior experience with data processing technology (e.g. Spark, Hadoop) and workflow management tools (e.g. Airflow, dbt). </li><li>Prior experience managing complex internal/external data ingestion involving a variety of data types. Familiarity with core data science concepts and machine learning model pipelines/workflows. </li><li>Ability to work effectively across remote teams, with a proven track record of taking end-to-end ownership and successfully delivering data products. </li><li>Problem solver with a product mindset: Ability to problem solve complex issues and constantly think about how to make processes more efficient. </li><li>Experience with developing processes and tools to improve data productivity, quality and automating/optimizing data workflows. </li><li>Experience with managing data platforms in a retail ecosystem a plus </li></ul> Note: Current responsibilities are impacted by company and team priorities that may have evolved from what is displayed in the Workday job profile. The description provides general job duties and requirements, but the partner's manager may assign additional responsibilities or tasks depending on business needs. #LI-CS1 Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Petco Animal Supplies, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, or any other protected classification. The pay ranges outlined below are presented in accordance with state-specific regulations. These ranges may differ in other areas and could be subject to variation based on regulatory minimum wage requirements. Actual pay rates will depend on factors such as position, location, level of experience, and applicable state or local minimum wage laws. If the regulatory minimum wage exceeds the minimum indicated in the pay range below, the regulatory minimum wage will be the minimum rate applied. $101,900.00 - $152,800.00 / year For a more detailed overview of Petco Total Rewards, including health and financial benefits, 401K, incentives, and PTO -see https://careers.petco.com/us/en/key-benefits To translate this webpage to Spanish or other languages on your internet browser click the translate button to the right of your browser address bar. Additional instruction can be found here: https://support.google.com/chrome/answer/173424?hl=en-GB&co=GENIE.Platform%3DDesktop Para traducir esta pgina web al espaol u otros idiomas en su navegador de Internet, haga clic en el botn de traduccin a la derecha de la barra de direcciones de su navegador. Puede encontrar instrucciones adicionales aqu: https://support.google.com/chrome/answer/173424?hl=en-GB&co=GENIE.Platform%3DDesktop

Petco Interview Questions

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Petco Interview Questions

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