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<p>Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.</p>

<p>What factors could have biased this result, and what would you look into?</p>


<p>What could potentially bias the average boarding time in favor of an airline that only flies domestically?</p>

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

<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

Mavensoft Technologies Salaries by Position

<p>Role: Sr. Business Analyst - Data Compliance Duration: 6 Months Contract with Possible Extension (W2) Location: Tualatin, OR (Hybrid/Remote) Key Skills: Data Quality, Data Mapping, Data Compliance Top 3 Must-Haves (Hard and/or Soft Skills): 1.Medium level SQL experience 2.Requirements Life Cycle Management 3.Action Oriented Top 3 Nice-To-Haves (Hard and/or Soft Skills) 1.Ensures Accountability 2.Plans & aligns 3.Interpersonal Savvy Description: We are seeking a skilled and detail-oriented Business Analyst to join our team and work on a critical Data Compliance project. The ideal candidate will possess a strong understanding of, data management, and business analysis methodologies. The role requires collaborating with cross-functional teams to ensure that all data handling processes align with relevant legal and regulatory standards. Key Responsibilities: •Requirements Gathering: Work with stakeholders to identify, analyze, and document business requirements related to data compliance. Ensure requirements are clear, comprehensive, and aligned with project goals. •Data Mapping and Analysis: Collaborate with data engineers and IT teams to map data flows, identify gaps, and ensure data integrity across systems. Analyze existing processes to identify risks and areas for improvement. •Process Improvement: Develop and recommend process improvements to enhance data compliance and governance. Ensure that processes are scalable and sustainable. •Documentation: Create detailed documentation, including business requirements, process flows, data mappings, and compliance reports. Ensure that all project documentation is up to date and accessible. •Stakeholder Management: Act as a liaison between business stakeholders, IT, and compliance teams. Facilitate meetings, workshops, and communication to ensure alignment and understanding of project objectives. •Testing and Validation: Assist in the design and execution of testing strategies to validate compliance with data handling processes. Ensure that all testing aligns with the project's regulatory requirements. •Training and Support: Provide training and support to end-users and stakeholders on new processes and compliance requirements. Develop training materials as needed. •Risk Management: Identify potential risks related to data compliance and work with the project team to develop mitigation strategies. Team and Work Environment Work with the Data Compliance team to investigate, document, and request processes for improved data management. The core team project team is made up of ~5 people but will be engaging with various IT and business contacts w/in the company and different points. Would prefer experience and knowledge of data analytics. What would "a day in the life" of this role look like?: Start with a 9am standup call to review upcoming tasks and report on completed tasks. Get guidance from a IT project mentor, and track & complete tasks, document everything, and communicate with peers, and stakeholders on status & outcomes. What interaction level with this role have the team members and hiring manager? Daily What would you say is the top priority for the worker over the first few weeks/months?: Start, gain access, focus on daily task deliveries. What do you foresee being the biggest challenge in this role? Ensuring successful communication & alignment with business partners. Please Apply Online. To learn more about Mavensoft visit us at www.mavensoft.com Neeraja Mavensoft Technologies | 15248 NW Greenbrier Parkway, Beaverton, OR Office: 503-213-2045 | Fax: 503-296-2337 Email: neeraja@mavensoft.com | Website: : www.mavensoft.com</p>

<p>Job Title: Business Analyst Duration: 3 Months (contract) Location: Denver, CO (Remote) Position Overview: We are seeking an experienced Business Analyst to join our team. The ideal candidate will be responsible for conducting interviews with IT stakeholders, documenting IT environments, and supporting project initiation phases. This role involves collaborating with project stakeholders to define requirements and ensure project initiatives are well-planned and executed. Key Responsibilities: Conduct interviews with the IT organization to gather detailed information. Ensure compliance with law enforcement policies. Lead and conduct interviews with diverse IT stakeholders. Document and diagram IT environments effectively. Utilize knowledge of CMDB and application portfolio management tools. Complete CJIS onboarding and fingerprinting as required. Assist the OIT Portfolio Manager during project initiation, including discovery and initiation phases. Collaborate with stakeholders to develop requirements and support solution engineering. Limit time spent on high-level estimates and impact assessments to 15 hours during the Gate 0 project rationalization phase. Lead project initiation phases and interface with stakeholders to understand business cases and solicit requirements. Consult with solution engineers to align requirements and ensure clarity. Qualifications: Bachelor's degree in Business IT, Computer Science, or a related field. 7 years of experience as a Business Analyst with a focus on enterprise applications and IT systems. Proficiency in Agile methodologies, business analysis, data analysis, Jira, and Microsoft Excel. Proven experience in eliciting requirements, writing SQL queries, and generating process documentation. Basic knowledge of CMDB and application portfolio management tools. Experience in business process expertise in areas such as Accounting and Billing, Finance/Controlling, HR/Benefits/Payroll, Procurement, Contract Management, Quality Assurance, Legal/Regulatory. Ability to handle multiple projects in a dynamic, deadline-oriented environment. Proven success in facilitating discussions, building consensus, and producing quality requirements documents, process maps, and use case diagrams. Proficiency in tools such as Visio and PowerPoint for creating workflow diagrams and process flow representations. Duties and Responsibilities: Gather business requirements and translate them into functional and technical specifications. Document business processes and recommend best practices. Act as a liaison between business and IT (QA, test, developers). Translate business needs into effective requirements statements. Assess the business impact of system improvements and participate in enterprise-level project teams. Identify and implement process and system improvements in collaboration with stakeholders. Manage customer expectations and track project backlogs, prioritizing requests for subsequent projects. Requirements: Bachelor's degree in a related field. 7 years of relevant experience. Strong business process expertise and ability to handle multiple projects simultaneously. Proven ability to produce quality documentation and represent workflow diagrams effectively. Please Apply Online. To learn more about Mavensoft visit us at www.mavensoft.com</p>

<p>Role: Sr. Business Analyst

Duration: 12 Months (Contract) W2

Location: Hartford, CT (Hybrid)

Key Skills: Business Processes and Automation, Data Quality and planning and testing of automation, Lean, Agile,

The analyst will document, plan and work to accomplish team goals, lead groups in performing a variety of requirement gathering and agile/hybrid iterative process refinement at the program and portfolio management level, a wide degree of creativity and latitude is expected.

A minimum of 5 years’ experience demonstrating the following knowledge and skills:

Extensive experience and knowledge of Child Welfare, Business Process Mapping, SACWIS (Statewide Automated Child Welfare Information System), Data Quality, Federal regulations and State regulations.
Experience with working with high-level internal and external agency's management.
Experience with DCF Development Practices and Methodology.
Experience with Lean and Agile methodologies
Understanding of the technical and business interdependencies that will exist between the legacy system and the modernized and upgraded application
Understanding of legacy Batch systems
Experience in the creation of detailed business requirements and business processes to meet the requirements of the next generation CCWIS application
Experience with Data Quality and planning and testing of automated CCWIS (Comprehensive Child Welfare information system) processes.
Proficiency with Microsoft Office Suite (Word, Excel, PowerPoint, Visio, Outlook)

Responsibilities Will Include

Documentation of the current Business Processes and Automation.
Migration and implementation strategy
Development of request for proposals
Development of Federal plans and reports.
Work with other Connecticut state agencies, contracted third party vendors and federal agencies interfacing with DCF to establish new interface protocols.
Management of business analysis, quality assurance, end user training, and application implementation.
Negotiate with customers; emphasis on business process and user interface
Review requirements; emphasis on functionality and system qualities
Train, mentor other Analysts.
Mediate between Business and other Analysts.
Conduct meetings with Business SME and document business workflow, process.
Analyze workflow and recommend improvements.
Document issues with process, applications, automation.
Maintain documentation up to date and distribute to project team members.
Gather requirements, requests, and meet with team members to discuss solutions.
Negotiate timelines with Business and Development Teams.
Follow up frequently with Business SME on progress.
Address questions, act as liaison between IT and Business.

Email your resume to usjobs@mavensoft.com

To learn more about Mavensoft visit us online at http://www.mavensoft.com/
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Mavensoft Technologies Interview Questions

Mavensoft Technologies Interview Guides

Mavensoft Technologies Interview Questions

Mavensoft Technologies Salaries by Position

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