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Link Technologies Interview Questions

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?

Let’s say you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.

The company has been consistently growing new users in the city from January to March.

What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

Link Technologies Salaries by Position

<ul> <li>JOB-7094 </li><li>Business Analyst - IT </li><li>Henderson, NV </li><li>Contract </li><li>Link Technologies (LinkTechConsulting.com), a Las Vegas-based IT consulting firm, is currently seeking Business Analyst - IT to join our team. REQUIREMENTS <ul> <li>2 + years of business analysis experience</li> <li>Knowledge of the principals and practices of business analysis and project management; a high-level understanding architecture of enterprise and end-user computing; principles and practices of system analysis and customer support; advanced social and communication skills necessary for leading project teams and business analysis efforts; Department policies and procedures.</li> <li>Ability to independently exercise good judgment within established procedural guidelines; translate customer department needs into project requirements and operational/strategic plans; professionally document, organize, communicate and present information in formal settings; read and comprehend complex training materials and manuals; follow written and verbal directions; meet productivity standards; communicate effectively verbally and in writing; communicate effectively using technical language; establish and maintain effective working relationships with those contacted in the course of work; engage in project work as directed from inception to completion; assist others in the development of business analysis documentation.</li> </ul>PREFERRED<ul> <li>Certification as CBAP or other Business Analysis Certification</li> </ul>RESPONSIBILITIES<ul> <li>Working with the Project PM and stakeholders, prepares business requirements, integration requirements and technical requirements</li> <li>Creates AS IS/TO BE Swimlane Process Flow diagrams, performance measurement documentation, and use case scenario testing documentation as needed; conducts feasibility studies and gap analysis as needed.</li> </ul> Link Technologies is an equal-opportunity employer. All qualified applicants will receive consideration for employment without discrimination because of race, color, religion, sex, gender identity/expression, sexual orientation, national origin, protected veteran status, disability, or any other factors protected by law. </li><li> Click to Apply </li> </ul>

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