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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?

Peak Technical Staffing Usa Salaries by Position

Job Description:
The Business Analyst Mid is responsible for leading the collection, analysis, documentation, and coordination of a client's business requirements on multiple projects and programs. Works with multiple business partners within one or more business units to align technology solutions with business strategies. Demonstrates an in-depth knowledge of a business area in the context of the business client's unit to identify and communicate how IT solutions can assist.
The Business Analyst (BA) works in a lead capacity with Project Control team members, client business partners, and other IT organizations to align technology solutions and/or processes with Information Technology and business strategies. S/he is responsible for interfacing with stakeholders to collect, analyze, and document functional business requirements for highly complex business problems requiring design or integration of technical solutions.
Skills/Experience:
Skillsets:
Proficiency in SharePoint and SharePoint Online
Strong understanding of file server structures and unstructured data
Experience with migration tools (e.g., ShareGate, Metalogix)
Excellent analytical and problem-solving skills
Effective communication and stakeholder management
Ability to work independently and in a team
Essential Functions:
Analyze and assess current unstructured file server data
Develop migration plans and timelines
Execute data migration to SharePoint with minimal disruption
Collaborate with IT and business units to ensure successful migration
Troubleshoot and resolve migration issues
Document processes and create training materials for end-users
Required Skills:
Required Experience:
2-3 years of experience in business analysis
At least 2 years of experience in SharePoint migrations
Proven track record of managing mid-sized migration projects
Familiarity with data governance and compliance standards

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P-DPD-001 We are looking for a Senior Software Engineer to designs and develops software, including new products, new features and defect fixes using C, C#, .NET, and other tools. Makes software design decisions and sets technical standards required to produce functional, intuitive and secure products and features that meet the needs of intended customers. Essential Functions and Duties<ul> <li>Designs and develops software, including new products, new features and defect fixes</li> <li>Advises management and leads the R&D team in quarterly development prioritization.</li> <li>Manages the effort by the R&D team to complete quarterly software releases.</li> <li>Approximately 2 months feature development.</li> <li>Approximately 1 month testing for functionality, defects and security compliance.</li> <li>Works with R&D team to ensure highest priority products and features are completed within development cycle.</li> <li>Uses Axosoft to prioritize development and other activities and to track all time spent on any activity.</li> <li>Uses Visual Studio to develop and troubleshoot software.</li> <li>Uses MS Team Foundation Server for version control and build automation.</li> <li>Uses industry standard tools to ensure that all released software is compliant with relevant security standards and any exceptions are documented.</li> <li>Performs all development and testing in the production environment and does not deploy work in progress in the production environment.</li> <li>Ensures that all software, features and functionality are documented in Tech Notes and/or Manuals.</li> <li>Develops software for use in a Windows server environment, using C, C#, .NET and other tools.</li> <li>Contributes to the development of web applications using HTML, JavaScript, CSS, ASP.NET and other tools.</li> <li>Develops integrations to PostgreSQL databases.</li> <li>Uses PowerShell to create scripts.</li> <li>Creates enhancements to audio and screen recording modules.</li> <li>Uses APIs from various providers including Synway and AudioCodes to support analog voice recording functionality.</li> <li>Modifies created software to support passive VoIP recording and SIPREC.</li> <li>Modifies created screen capture software.</li> <li>Creates software modules to interface with various GPS receivers.</li> <li>Creates software modules to interface with various CAD, ACD and CTI applications provided by other vendors.</li> <li>Integrates software / hardware and keeps current with vendor changes in recording hardware APIs, new offerings, and debugging with new hardware combinations.</li> <li>Provides troubleshooting support to Client Support team and occasionally to resellers' support teams or direct customers.</li> <li>Uses Axosoft and/or TeamSupport to track all support and troubleshooting activities.</li></ul>Qualifications Education / Certification:<ul> <li>Bachelor's degree in computer science, software engineering, or a related field (or equivalent experience)</li> <li>Strong proficiency in C# programming (.NET framework)</li> <li>Experience with Visual Studio and MS Team Foundation Server</li> <li>Working knowledge of web development technologies (HTML, JavaScript, CSS)</li> <li>Excellent problem-solving and analytical skills</li></ul>Required Knowledge:<ul> <li>Thorough understanding of information systems, business software applications, all windows platforms, networking, and multiuser optimization.</li> <li>Thorough knowledge of fault tolerance concepts, computer telephony integration concepts, security concepts, telecommunication concepts, database concepts.</li> <li>Understanding of related programming languages and procedures</li> <li>General understanding of Agile software programming and testing processes.</li> <li>Should be familiar with the Visual Studio working environment</li> <li>Should be familiar with Microsoft .Net framework</li></ul> Experience with:<ul> <li>Web-Based Application Development</li> <li>Source Control Software and Procedures</li> <li>Media Manipulation</li> <li>Configuring IIS web servers and trouble-shooting connection issues</li> <li>PostgreSQL programming for reporting including writing to the database querying the database PostgreSQL server configuration, optimization, and maintenance</li> <li>Coding integrations with third-party databases via their APIs</li> <li>Ability to analyze network packet captures (including VoIP traffic) to diagnose issues with network communications</li></ul>

Peak Technical Staffing Usa Interview Questions

Peak Technical Staffing Usa Interview Guides

Peak Technical Staffing Usa Interview Questions

Peak Technical Staffing Usa Salaries by Position

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