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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?

Radcube | Rapid Technology Solutions Salaries by Position

We are looking for a lead data scientist who can serve in a managerial position dealing with C-Suite stakeholders. Client's maturity in ML/Data Science is below average and they are looking for a A++ candidate who can build the entire vertical from scratch. Preferably prior health and human services experience and actuarial sciences. Requirements List of Key Responsibilities for the Position: Build Data Science Vertical from Scratch: <ul> <li>Develop and implement a strategic plan for establishing the Data Science function. </li><li>Define the vision, goals, and roadmap for Data Science initiatives. </li><li>Identify and acquire the necessary tools, technologies, and infrastructure. </li></ul>Assist in RFPs: <ul> <li>Collaborate with the sales and business development teams to contribute to Request for Proposals (RFPs). </li><li>Provide technical expertise and insights to support proposal development. </li><li>Ensure the proposed solutions align with Data Science capabilities and client needs. </li></ul>Engage Client Stakeholders through Storytelling: <ul> <li>Communicate complex data insights and analysis effectively to non-technical stakeholders. </li><li>Use storytelling techniques to present data-driven narratives that influence decision-making. </li><li>Build strong relationships with clients by understanding their needs and providing tailored solutions. </li></ul>Build and Manage Data Science Team for the Entire Organization: <ul> <li>Recruit, mentor, and lead a high-performing Data Science team. </li><li>Foster a collaborative and innovative team culture. </li><li>Oversee project management, ensuring timely and successful delivery of Data Science projects across the organization. </li></ul>

Radcube | Rapid Technology Solutions Interview Questions

Radcube | Rapid Technology Solutions Interview Guides

Radcube | Rapid Technology Solutions Interview Questions

Radcube | Rapid Technology Solutions Salaries by Position

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