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Nisus Technologies Corporation 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 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

<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

Nisus Technologies Corporation Salaries by Position

<h3>Job Description</h3><div>Job Description<div><p>The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.</p><p><strong>Requirements</strong></p>TS/SCI with poly required<ul><li>No demonstrated experience is required. </li><li>Bachelors degree in Computer Science or related discipline from an accredited college or university is required; Four (4) years of SWE experience on projects with similar software processes may be substituted for a bachelors degree.</li></ul><p><strong>Benefits</strong></p><ul><li>Health & Life Insurance</li><li> Dental Insurance</li><li> Disability Insurance</li><li> 401K Retirement Plan with Matching</li><li> Tuition Assistance</li><li> Vacation and Sick Leave</li><li> Hiring Bonuses</li><li> Referral Recruitment Program</li></ul></div></div>

The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.<br><br><strong>Colorado opportunities available!</strong><br><br><strong>Requirements</strong><br><strong>TS/SCI with poly required</strong><br><ul> <li>Fourteen (14) years experience in projects of similar scope, type, and complexity is required. </li> <li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. </li> <li>Four (4) years of additional software engineering experience on projects with similar software processes may be substituted for a bachelor's degree.</li> </ul><br><strong>Benefits</strong><br><li>Health & Life Insurance</li><li> Dental Insurance</li><li> Disability Insurance</li><li> 401K Retirement Plan with Matching</li><li> Tuition Assistance</li><li> Vacation and Sick Leave</li><li> Hiring Bonuses</li><li> Referral Recruitment Program</li>

Nisus Technologies Corporation Interview Questions

Nisus Technologies Corporation Interview Guides

Nisus Technologies Corporation Interview Questions

Nisus Technologies Corporation Salaries by Position

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