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Educational Testing Service (Ets) Interview Questions

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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

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?

Educational Testing Service (Ets) Salaries by Position

<h3>Job Description</h3><div>Job Description<div>About ETS: For more than 75 years, we have amplified products and services based rigorous research and our belief in the power of learning. Driven by our mission to advance quality and equity in education, ETS provides learning solutions, pioneering research and trusted assessments that help guide learners around the world on their path to new possibilities.Our portfolio of trusted measures include TOEFL®, TOEIC®, GRE® and Praxis®. Along with research, development and innovation that explores new frontiers in learning and measurement our educational measurement solutions and research contribute to the development of new methods and tools, inform important dialogue with education policymakers, and shed light on critical issues and potential solutions - all with the aim of creating a world where all learners can improve their lives through education.With new senior leadership at the helm, ETS aims to continue changing the lives of all learners as we expand our organization's global footprint. Our goal is to remain at the forefront of assessment and measurement efficacy within the education and ed tech space as it continues to grow and evolve. We are seeking a highly skilled and experienced Insights and Analytics Manager to join our global center of excellence for e-commerce and site experience. In this role, you will anchor our analytics efforts in Google Analytics and Google Tag Manager, driving data-driven insights that empower marketing managers and site experience leaders across various business units and divisions. You will be responsible for standardizing data collection and reporting practices, ensuring consistency and accuracy in how we measure and analyze user behavior on our websites. This role requires a blend of technical expertise and business acumen to set up and implement when necessary, as well as to create dashboards and reports that support critical business decisions. Additionally, a critical aspect of this role is to establish and maintain governance on the tools, setup, and reporting to ensure integrity and consistency across all analytics efforts.RESPONSIBILITIES<ul><li>Data Governance, Strategy and Implementation:</li><ul><li>Develop and implement a standardized approach to data collection, including naming conventions for events, setup and structure of the data layer and oversights of implementation.</li><li>Guide the technical setup and QA of analytics systems to ensure accurate data collection.</li></ul><li>Reporting and Insights:</li><ul><li>Create and maintain dashboards and reports that provide actionable insights to marketing managers and site experience leaders.</li><li>Standardize reporting practices to ensure consistency across various business units and divisions.</li></ul><li>Governance:</li><ul><li>Establish and maintain governance policies for the tools, setup, and reporting to ensure data integrity and consistency.</li><li>Regularly audit and update analytics configurations to adhere to governance standards and best practices.</li></ul><li>Collaboration and Leadership:</li><ul><li>Interface with marketing managers and other stakeholders to understand their data needs and ensure analytics solutions meet those needs.</li><li>Manage and mentor a team of insight and analytics strategists and technical resources.</li></ul><li>Technical Expertise:</li><ul><li>Serve as the in-house expert on Google Analytics and Google Tag Manager, staying up-to-date with the latest features and best practices.</li><li>Provide guidance on the technical setup of analytics on websites, ensuring data is collected accurately and efficiently.</li></ul><li>Business Focus:</li><ul><li>Translate complex data into clear, actionable insights that drive business decisions.</li><li>Develop and present regular reports and findings to senior leadership and other stakeholders.</li></ul><li>Adhere to ethical standards and comply with the laws and regulations applicable to your job function.</li></ul>SKILLS<ul><li>Technical Skills:</li><ul><li>Deep understanding of data layers, event naming conventions, and data collection best practices.</li><li>Ability to guide technical teams in the setup and QA of analytics systems.</li></ul><li>Analytical Skills:</li><ul><li>Strong ability to analyze complex data sets and translate them into actionable insights.</li><li>Experience in creating and maintaining dashboards and reports using tools like Google Data Studio/Looker, Tableau, or similar.</li></ul><li>Governance:</li><ul><li>Experience in establishing and maintaining governance policies for analytics tools and reporting.</li><li>Ability to audit and ensure compliance with governance standards.</li></ul><li>Leadership and Collaboration:</li><ul><li>Experience managing and mentoring teams.</li><li>Excellent communication and interpersonal skills, with the ability to collaborate effectively with stakeholders across various business units and divisions.</li></ul></ul>#LI-REMOTE#LI-SS1 EDUCATION<ul><li>Bachelor's degree in Marketing, Business, Data Science, or a related field. Advanced degree preferred.</li></ul>EXPERIENCE<ul><li>5+ years of experience in a similar role, with extensive experience in Google Analytics and Google Tag Manager.</li><li>Proven track record of setting up and managing analytics systems for large, complex websites.</li><li>Demonstrable ability to structure data - in dashboards and reports - in a way that's actionable for various audiences. </li></ul>ETS believes in a Total Rewards philosophy for our employees, and they include:<ul><li>Health, Vision, Dental insurance plans to choose from</li><li>Generous continuous learning support, from individual learning grants to up to 6 classes a year for tuition reimbursement as well as on-line learning access!</li><li>Generous PTO and vacation time to balance your work and life</li><li>Additional 8 hours of PTO for volunteer work</li><li>Retirement plan (401(a)) and traditional Roth (403b) with company contribution</li><li>Commuter Benefits, Pet Insurance, 1 year subscription to Calm App</li></ul>ETS is mission driven and action oriented<ul><li> Diversity, equity, inclusion, and belonging is at the forefront of the ETS employee's daily work. To further foster an inclusive environment ETS is home to a wide variety of Affinity groups that celebrate the diversity of our talented employees. </li><li> How about cultivating growth, innovation, and continuous transformation for the next generation of rising professionals as leaders? ETS offers multiple Business Resource Groups (BRG) for you! </li><li> Are you passionate about volunteering and being active in your career and community? ETS offers our Center for Advocacy & Philanthropy (CAAP) where we encourage ETS employees to become active volunteers in their communities and schools through the ETS Cares Giving Campaign. Our employees can support any 501c3 or eligible charity of their choice. </li></ul> ETS is an Equal Opportunity Employer comprised of people with different experiences, strengths, and backgrounds who share a passion for advancing quality and equity in education. We are dedicated to building teams that reflect the various backgrounds, experiences, and identities of those we serve. The Talent Acquisition team strives to ensure candidates enjoy a fair and equitable hiring process. We believe our differences empower us to be a better team, making better decisions and delivering better results. </div></div>

Educational Testing Service (Ets) Interview Questions

Educational Testing Service (Ets) Interview Guides

Educational Testing Service (Ets) Interview Questions

Educational Testing Service (Ets) Salaries by Position

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