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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 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

Peopletec Salaries by Position

Data Analyst Job Locations US-AL-Huntsville ID 2024-4160 Category Engineering & Science Position Type Regular Full-Time Opportunity PeopleTec is currently seeking a Data Analyst to support our Huntsville, AL location. Duties: Performs analysis on relevant information from a variety of sources to prepare documents, reports, summaries and replies to inquiries, ensuring accuracy and proper format of the information provided. Manages the compilation, cataloging, caching, distribution, and retrieval of data. Participates in Ad hoc data projects and analyses that produce actionable recommendations that build relevant insights for internal and external stakeholders. Collects data and runs basic reports in response to client inquiries. Works closely with key internal stakeholders to ensure sound knowledge of client requirements to support development of best-in-class analytical solutions. Accurately enters required data into one or more databases, documents and/or spreadsheets. Qualifications Required Skills/Experience: Mid: 6 Years experience SME: 10 years experience Travel: 10 % Must be a U.S. Citizen An active DoD Top Secret clearance with SCI eligibility is required to perform this work. Candidates are required to have an active Top Secret clearance with SCI eligibility upon hire, and the ability to maintain this level of clearance during their employment. Education Requirements: Bachelor Degree in related field or in lieu of degree, 4 additional years of experience Expected time to hire: December, 2024 Overview People First. Technology Always. PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce. Culture: The name "PeopleTec" was deliberately chosen to remind us of our core value system - our people. Our company's foundation was built on placing our employees and customers first. With an award-winning atmosphere, we have matured into a company that boasts the best and brightest across multiple technical fields. Career: At PeopleTec, we value your long-term goals. Whether it's through our continuing-education opportunities, our robust training programs, or our "People First" benefits package, PeopleTec truly believes that our best investments are our people. Come Experience It. cjpost dpost EEO Statement PeopleTec, Inc. is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, applicationhelppeopletec.com and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. PeopleTec, Inc. participates in E-Verify.

Responsibilities: PeopleTec is pursuing the Missile Defense Agency Information Management and Software Services (AIMSS) competitive effort, formerly known as the Missile Defense Data Center (MDDC) Program. Our mission is to design and implement a Missile Defense System with multiple layers of protection. As proud employee owners, were committed to delivering excellence and innovation in everything we do. Please submit your resume if you are interested in this opportunity and live in the Huntsville or Colorado Springs areaor are considering joining PeopleTec. Were excited to work together! <ul><li>Job Title: Data Scientist I, II</li></ul> <ul><li>Job Description: Serves as data SME when designing, developing or optimizing data driven solutions and applications. Data mining; extending organization's data with third party sources of information when required; enhancing data collection procedures to include information that is relevant for building analytic systems; processing, cleansing, and verifying the integrity of data used for analysis; conducting ad-hoc analysis and presenting results in a clear manner; creating automated anomaly detection systems and constant tracking of its performance. Understand machine learning techniques and algorithms; experience with common data science toolkits, data visualization tools, proficient in using query languages such as SQL; applied statistics skills, such as distributions, statistical testing, regression, etc.; scripting and programming skills. </li></ul>Estimated Time To Hire: October 2024 Qualifications: If you are an incumbent employee currently working on the MDDC contract and are interested in continuing in your position under the new contract as part of the PeopleTec AIMSS team, you can submit your information through our dedicated platform or explore positions on the PeopleTec Careers Page. During the transition, PeopleTec prioritizes registered incumbents and aligns those employees to the new contract positions, allowing us to make competitive and timely offers early. We collaborate with non-registered incumbents and classify remaining positions as open or vacant accordingly. All information provided is kept strictly confidential. Overview: People First. Technology Always. PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce. Culture: The name "PeopleTec" was deliberately chosen to remind us of our core value system - our people. Our company's foundation was built on placing our employees and customers first. With an award-winning atmosphere, we have matured into a company that boasts the best and brightest across multiple technical fields. Career: At PeopleTec, we value your long-term goals. Whether it's through our continuing-education opportunities, our robust training programs, or our "People First" benefits package, PeopleTec truly believes that our best investments are our people. Come Experience It. #cjpost #dpost EEO Statement PeopleTec, Inc. is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, applicationhelp@peopletec.com and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. PeopleTec, Inc. participates in E-Verify.

Responsibilities: PeopleTec is currently seeking a Senior Data Analyst / Power App Developer to support our Huntsville, AL location. The candidate will serve as a Senior Data Analyst and Power App Developer for a government project office addressing Army Air and Missile Defense systems, with focus on Mission Command systems. Duties Include:<ul><li>Collaborate with operations, business management analysts, and other directorates to build data analytics outputs and knowledge management components for an Army Project Office.</li><li>Use a variety of platforms, tools, and financial management systems to create a data analytics environment, using Power BI, for use across all levels of the Project Office.</li><li>Responsible for the end-to-end process of gathering initial requirements, data source capture, and data modeling to develop Power BI Reports with advanced data visualizations.</li><li>Administrate, maintain, and sustain the Power BI-based environment hosted by the Army. </li><li>Analyze existing business processes, information workflow, data storage, and control procedures to identify opportunities for increased efficiencies and process improvement</li><li>Create Power Apps to optimize staffing and other internal operational processes within the Project Office, as well as creating SharePoint interfacing and automation solutions by designing, developing, and maintaining custom SharePoint forms, lists, workflows, repositories, and web parts</li></ul> Qualifications: Required Skills/Experience:<ul><li>Ability to work collaboratively with internal team and customers within a video conferencing environment such as Microsoft Teams</li><li>Strong organizational skills to prioritize and complete multiple projects</li><li>A high degree of skill with Microsoft Office Suite (Excel, Word, PowerPoint and Publisher) </li><li>Experience as a SharePoint Developer with training in access control</li><li>The ability to work with minimum guidance in addressing actions, and then use knowledge, ingenuity, innovation and experience to complete the product. </li><li>Excellent communication, collaborative and interpersonal skills </li><li>Ability to take direction well and function independently </li><li>Enthusiasm for working with and supporting a team </li><li>JavaScript and/or JSON experience preferred</li><li>Experience in HTML/CSS and CMS tools preferred</li><li>Proven experience working with Microsoft Power BI or other data model and dashboard design software and implementation with data visualization best practices.</li><li>Must be a U.S. Citizen.</li><li>An active DoD Secret clearance is required to perform this work. Candidates are required to have an active Secret clearance upon hire, and the ability to maintain this level of clearance during their employment.</li></ul> Education Requirements:<ul><li>Bachelors Degree in Information Technology, Data Analytics, Data Science, or related field/equivalent experience with minimum three years related experience.</li></ul> Overview: People First. Technology Always. PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce. Culture: The name "PeopleTec" was deliberately chosen to remind us of our core value system - our people. Our company's foundation was built on placing our employees and customers first. With an award-winning atmosphere, we have matured into a company that boasts the best and brightest across multiple technical fields. Career: At PeopleTec, we value your long-term goals. Whether it's through our continuing-education opportunities, our robust training programs, or our "People First" benefits package, PeopleTec truly believes that our best investments are our people. Come Experience It. #cjpost #dpost EEO Statement PeopleTec, Inc. is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, applicationhelp@peopletec.com and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. PeopleTec, Inc. participates in E-Verify.

Responsibilities: PeopleTec is currently seeking a Product Manager/ Data Science (Senior) to support our Springfield/ Ft Belvoir, VA location. The Senior Level Product Manager/Data Science for the NGA AI/ML Program plays a critical role in the intersection of technology and strategy. This individual will operate at the forefront of AI and deep learning technologies, championing transformational changes within the Digital Intelligence Environment (DIE) of the National Geospatial-Intelligence Agency (NGA). Product Managers/Data Science on the NGA AI/ML Program are integral to ensuring the success of the program. They are key players in translating user needs into product strategies and supporting the NGA AI/ML Program in the development and deployment of machine learning products and decision support. Duties:<ul><li>Analyze large amounts of data to find patterns and recommend solutions that will improve the clients capabilities. Work will require working in teams to solve large, complex problems to achieve interrelated and interdependent objectives.</li><li>Identify valuable data sources and automate mining/collection processes. Undertake preprocessing of structured and unstructured data.</li><li>Analyze large amounts of data/information to discover and articulate trends and patterns.</li><li>Provide strategic insight and advice concerning the direction and applicability of industry-standard solutions.</li><li>Offer specialized expertise to facilitate the development of comprehensive methods for defining present and future strategic product milestones.</li><li>Monitor all facets of product performance, and assist in the formulation of long-term plans.</li><li>Utilize industry-specific knowledge to evaluate an organization's operational and functional baseline.</li><li>Participate actively in account strategy sessions, strategic assessments, and design reviews to validate enterprise approaches and associated work products.</li><li>Stay abreast of developments within their field of expertise and apply them to the client environment, encompassing emerging technologies, lessons learned, best practices, and assessment methodologies.</li><li>Serve as an interface connecting stakeholders, users, and the development team. Attend industry and government events to discuss technical details related to the NGA AI/ML program.</li><li>Engage with users and customers to discern and comprehend their underlying needs.</li><li>Collaborate with both internal and external stakeholders, including product and program managers, to formulate a product vision and roadmap that aligns with the NGA AI/ML Program's objectives.</li><li>Work in close coordination with software engineering teams to fulfill user needs and construct user experiences that meet the standards expected by the Intelligence Community, Department of Defense (DoD), and government workforce.</li><li>Support the entire product development lifecycle, from conceptualization and design to implementation and evaluation, particularly for moderately complex product development efforts.</li><li>Effectively communicate, educate, and advocate the vision and goals of new products, both internally and externally.</li></ul> Qualifications: Required Skills/Experience:<ul><li>Critical thinker that is comfortable supporting collaborative problem solving in a team environment</li><li>Agile/scrum experience, and familiarity with Agile methodologies or certifications, such as Scrum Master</li><li>Has working knowledge of multiple programming languages and statistical packages, as well as knowledge of dataset tools and Artificial Intelligence/Machine Learning (AI/ML)</li><li>Analytical and problem-solving skills, with the ability to use data and metrics to drive product decisions.</li><li>6+ months of experience in AI space</li><li>Travel: Less than 25% </li><li>Must be a U.S. Citizen </li><li>An active DoD Top Secret w/ SCI clearance is required to perform this work. Candidates are required to have an active DoD Top Secret w/ SCI clearance upon hire, and the ability to maintain this level of clearance during their employment.</li></ul> Education Requirements:<ul style="margin-top: 0in;"><li>A Bachelor's degree in a relevant field such as Computer Science, Math, Engineering, Information Technology, Business, or a related discipline.</li></ul> Desired Skills:<ul><li style="color: #2a3140;">Relevant certifications or additional education in Product Management, Project Management, or a related field are a plus.</li><li style="color: #2a3140;">Lead high-performing teams delivering IT solutions.</li><li style="color: #2a3140;">AI/ML Familiarity, an understanding of AI/ML concepts, algorithms, and current trends.</li><li style="color: #2a3140;">Cross-functional collaboration, experience working with diverse teams, such as data scientists, engineers, vendors, and military professionals.</li><li style="color: #2a3140;">Experience working in a joint military environment. </li><li style="color: #2a3140;">A Masters Degree in a relevant field such as Computer Science, Math, Engineering, Information Technology, Business, or a related discipline</li></ul> Estimated Time to Hire:<ul><li>August 30, 2024</li></ul> Overview: People First. Technology Always. PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce. Culture: The name "PeopleTec" was deliberately chosen to remind us of our core value system - our people. Our company's foundation was built on placing our employees and customers first. With an award-winning atmosphere, we have matured into a company that boasts the best and brightest across multiple technical fields. Career: At PeopleTec, we value your long-term goals. Whether it's through our continuing-education opportunities, our robust training programs, or our "People First" benefits package, PeopleTec truly believes that our best investments are our people. Come Experience It. #cjpost #dpost EEO Statement PeopleTec, Inc. is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, applicationhelp@peopletec.com and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. PeopleTec, Inc. participates in E-Verify.

Peopletec Interview Questions

Peopletec Interview Guides

Peopletec Interview Questions

Peopletec Salaries by Position

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