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Consumer Reports Interview Questions

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<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

<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

Consumer Reports Salaries by Position

<h3>Job Description</h3><div>Job Description<div><div>WHO WE ARE<p>Consumer Reports is an independent, nonprofit organization dedicated to a fair and just marketplace for consumers. Our team is made up of truth tellers, change agents, and consumer advocates who investigate and build coalitions to fight for fairness and justice in the marketplace for consumers. We leverage our evidence-based approach to demand safer products, a healthier environment, and equitable services for everyone. </p><p>Our mission starts with you. We offer medical benefits that start on your first day as a CR employee that include behavioral health coverage, family planning and a generous 401K match. Learn more about how CR advocates on behalf of our employees.</p></div><strong>Overview</strong><p>The data analyst collaborates with others in support of data analysis and reporting to maintain strategic analytic projects. The data analyst also maintains and provides data analysis, metrics and other data-related support to inform various internal stakeholders. May also provide project support for data science and visualization for organizational initiatives.</p><p>This is a 1 Year Full Time Duration role</p><p><em>Under our CRFlex program, this is a hybrid position and is eligible for remote work up to 80%. The successful candidate must reside within 75 miles of our main office location in Yonkers New York or New York City.</em></p><strong>How you'll make an Impact:</strong><p>As a Data Analyst you will:</p><ul><li>Work to prepare both qualitative and quantitative data and develop methods of analysis or improve existing methods.</li><li>Works under guidance to develop and run rigorous and innovative analyses of multiple data sources.</li><li>Assists in interpreting data analysis and developing actionable insights.</li><li>Provides data analysis with insights into best methods of presenting data.</li><li>Fact checks data and assists in aggregating and visualizing to support CR's culture of data-centric product development and decision making.</li><li>May support basic statistical analysis and visualization to enhance and expand a wide variety of CR products and services.</li><li>Clearly and effectively communicates data analysis outcomes to internal stakeholders.</li><li>May perform other duties as required. If any such assigned duties are classified at a higher level, compensation shall be pursuant to the collective bargaining agreement between CR and the Guild. </li></ul><strong>You'll Be Highly Rated If:</strong><ul><li>Bachelor's Degree or equivalent work experience in computer science, informatics or statistics.</li><li>Some experience in applied data science and/or data analysis with a focus on blending innovative analytical approaches with compelling and effective visualization and product development </li><li>Experience with <em>Microsoft Office</em> software, including experience with Access and Excel. Ability to work with and/or write <em>SAS</em> statistical software preferred. Familiarity with data analysis and visualization software (e.g., SPSS, R, Python, Tableau) is required.</li><li>Very strong organizational skills, attention to detail; the ability to manage multiple projects and work within deadlines are also required. </li></ul><strong>You'll be one of our top picks if:</strong><ul><li><strong>Written Communication</strong> – Demonstrates ability and expertise in preparing written documentation and reports.</li><li><strong>Communication Skills</strong> – Demonstrates ability to speak, write and present information in a clear, concise and compelling manner that is tailored to a particular audience. </li><li><strong>Detail Oriented </strong>- Thoroughness in accomplishing a task through concern for all the areas involved, no matter how small. Monitors and checks work or information and plans and organizes time and resources efficiently.</li><li><strong>Time Management </strong>– Demonstrates ability to accomplish tasks by established deadlines; demonstrates discipline in using time management tools and techniques. Able to use time efficiently despite competing demands and priorities.</li><li><strong>Interpersonal</strong> – Strong ability to forge solid working relationships with colleagues across the organization. Desire and commitment to establish a partnering and trusting relationship with internal and external people</li></ul><p>#LI-CM1</p><strong>Fair Pay & A Just WorkPlace</strong><p>At Consumer Reports, we are committed to fair, transparent pay and we strive to provide competitive, market-informed compensation. The target salary range for this position is $75k to $85k. This posted range is reflective of the NY/CA market. It is anticipated that most qualified candidates will fall near the middle of this range. Compensation for the successful candidate will be informed by the candidate's particular combination of knowledge, skills, competencies, and experience.</p><div><p>Consumer Reports proudly seeks to build a richly diverse workforce by hiring people with a diversity of thoughts, identities, perspectives, and experiences that help advance the difference we make for consumers, and by ensuring individuals experience equity and inclusion in their work lives. We encourage members of traditionally underrepresented communities to apply, including women, LGBTQIA people, people of color, and people with disabilities.</p></div></div></div>

Consumer Reports Interview Questions

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Consumer Reports Interview Questions

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