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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

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

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?

Simons Foundation Salaries by Position

POSITION SUMMARY The Simons Foundation Web Experience Team is seeking a full-stack software engineer to contribute to a diverse portfolio of websites. This role will be responsible for the construction, maintenance, and improvement of several websites hosting editorially independent online publications covering research in autism, data and life sciences, mathematics and physics, as well as sites providing information about the foundation's support of basic and applied research. This role will collaborate closely with designers, developers on the team, as well as editors, content producers, and other stakeholders. This is a full-time position located onsite in our New York City office. For more information, visit simonsfoundation.org/careers. ESSENTIAL FUNCTIONS/RESPONSIBILITIES <ul> <li>Research, plan, and execute back-end and front-end development for a diverse collection of foundation-affiliated websites, many built on WordPress </li><li>Work collaboratively and closely with editors, designers, web producers and other developers </li><li>Effectively manage priorities for multiple concurrent projects </li><li>Communicate with stakeholders to gather requirements and ensure their needs are being met </li><li>Review code produced by other developers </li><li>Adapt to changing requirements </li><li>Perform any other duties or tasks as assigned or required </li></ul>MINIMUM QUALIFICATIONS Education <ul> <li>A bachelor's degree is required </li></ul>Experience <ul> <li>At least 5 years of experience developing custom websites </li><li>Advanced expertise with JavaScript and a back-end language (like PHP) </li><li>Deep understanding of HTML and CSS </li><li>Proficiency with JS libraries and front-end frameworks </li><li>Experience with MySQL </li><li>Strong understanding of responsive web development and accessibility </li><li>Excellent communication skills </li><li>Proficient with version control tools, such as Git and SVN </li></ul>Desirable <ul> <li>Proficient with bespoke WordPress development </li><li>Experience working off of Figma designs </li><li>Background in User Experience and User Interface design </li><li>Prior experience with AWS or similar infrastructure platforms </li><li>Experience with Python and Django </li><li>Experience with functional, integration, and usability testing </li><li>Experience with high-volume websites and/ or journalistic websites </li><li>Comfort with Adobe Creative Cloud, Sketch, etc. </li></ul>REQUIRED APPLICATION MATERIALS <ul> <li>Resume </li><li>Cover letter stating your interest in the position. </li><li>Work samples (for instance, a Github or other repository) </li></ul>COMPENSATION AND BENEFITS <ul> <li>The full-time annual compensation range for this position is $125,000 - $140,000, depending on experience. </li><li>In addition to competitive salaries, the Simons Foundation provides employees with outstanding benefits package. </li></ul> THE SIMONS FOUNDATION'S DIVERSITY COMMITMENT Many of the greatest ideas and discoveries come from a diverse mix of minds, backgrounds and experiences, and we are committed to cultivating an inclusive work environment. The Simons Foundation actively seeks a diverse applicant pool and encourages candidates of all backgrounds to apply. We provide equal opportunities to all employees and applicants for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, genetic disposition, neurodiversity, disability, veteran status, or any other protected category under federal, state and local law.

Simons Foundation Interview Questions

Simons Foundation Interview Guides

Simons Foundation Interview Questions

Simons Foundation Salaries by Position

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