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<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

<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?

Tech Tammina Llc Salaries by Position

<h3>Job Description</h3><div>Job Description<div><p>Role: Business Analyst</p><p>Location: Lansing, MI (Need locals)<br /> Hybrid, 2 days onsite. Onsite interview required.</p><p>Duration: Long term</p><p>Rate: Market</p><p></p><p>Required: </p><p>Bachelors Degree</p><p>Previous experience working with multiple agencies and/or vendors and/or departments in an enterprise environment</p><p>Minimum 5+ years dealing with customers</p><p>Minimum 3-5 years experience with Microsoft Project and Excel </p><p>Minimum 3-5 years experience with Remedy/Helix </p><p>Minimum 3-5 years working within a Telecommunications environment </p><p>Minimum 3-5 years experience in a large Enterprise setting </p><p>Minimum 3-5 years work experience with multiple network platforms </p><p>Minimum 3-5 years working with multiple network lines of service </p><p></p><p><b>Preferred:</b></p><p>Minimum 2-3 years experience with DevOps </p><p>Minimum 1-3 years experience with Clarity </p></div></div>

<h3>Job Description</h3><div>Job Description<div><div>MUST HAVE STRONG:</div><ul><li><div>Need candidate with strong SQL query experience.</div></li><li><div>Property & casualty insurance companies working experience.</div></li><li><div>Must have worked on policy administration.</div></li><li><div>7-8 years' experience in business analysis , application support, system analysis with an understanding of software development lifecycle</div></li></ul><div><div>Job Duties:</div><div></div><div>Responsible for business analysis, troubleshooting and resolution of requests and incidents while adhering to departmental procedures.</div><div>Responsible for data analysis and provide insights on the data to the customers.</div><div>Collaborate with the various teams (i.e., business, development and QA) to ensure that tasks are handled and brought to closure in an efficient and timely manner.</div><div>Gains an in-depth understanding of application functionality and the business processes supported by these applications.</div><div>Understand and meet the customer and senior management expectation on the delivery of the assigned tasks and keep them updated.</div><div></div><div>Knowledge, Skills & Abilities :</div><div></div><div>Ability to exercise judgment using procedures and practices to determine the appropriate course of action and possess creative problem-solving skills.</div><div>Successful candidate must have high level of interpersonal skills to communicate effectively with customers and internal IT team members. </div><div>Clear and concise documentation skills. </div><div>Willingness to learn and adapt to new skills/technology.</div><div>Assume initiative and ownership of tasks assigned.</div><div>Focus on providing exceptional customer service.</div><div>Successful candidate must work well in a group, as well as alone and unsupervised. </div></div></div></div>

Tech Tammina Llc Interview Questions

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Tech Tammina Llc Interview Questions

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