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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 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

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?

Govini Salaries by Position

Company Description Govini transforms Defense Acquisition from an outdated manual process to a software-driven strategic advantage for the United States. Our flagship product, Ark, supports Supply Chain, Science and Technology, Production, Sustainment, and Modernization teams with AI-enabled applications and best-in-class data to more rapidly imagine, develop, and field the capabilities we need. Today, the national security community and every branch of the military rely on Govini to enable faster and more informed Acquisition decisions. Job Description We are seeking a product-oriented leader to lead the integration of new capabilities into our existing Modernization Application within the Ark platform. This is an individual contributor role responsible for prioritizing, rationalizing and integrating existing prototypes into our production Modernization Application. As the product owner, you are accountable for delivering valuable and differentiated solutions at scale, end to end, within our Ark platform. Govini's application-aligned product managers are responsible for thinking broadly across the communities we serve and delivering solutions that provide value to a wide range of customers. They partner with account-aligned PMs, as well as our engagement and implementation teams, to broadly scale "in-the-field" solutions and improve the configurability and adaptability of our platform. In this role, you will partner with customer-aligned PMs to integrate prototype workflows and capabilities into full production within the Ark. You should be highly motivated by the market adoption of the solutions you successfully launch. In order to do this job well, you must possess exceptional judgment when it comes to identifying opportunities to deliver customer value in a productized way, as well as in the relative prioritization of those opportunities. You must work effectively cross-functionally in often ambiguous circumstances, distilling market opportunities to a clear set of objectives and solutions, and articulating the value of those solutions both internally and externally. In a typical week, a product manager could expect to: - Spend several days on-site with users, seeking to understand how users across a variety of accounts utilize Ark to relieve pain points and triangulate the commonalities to build new valuable workflows in the Ark. - Draft a clear and compelling articulation of customer problems, and what a good solution to those problems would look like in the Ark - Partner with the sales team to help assess opportunities and understand the degree to which customer requirements align with product capabilities and roadmap - Define how those solutions deliver value across a wide range of customer environments and determine what features are necessary to support the broad adoption of the solution - Collaborate with engineering and design teams to deliver the most promising capabilities This role is a full-time position located in our Arlington, VA office This role may require up to 40% travel Scope of Responsibilities <ul><ul><li>For new product features, define the addressable market size, the competitive landscape, the near-term sales opportunities, and alignment with the overall product strategy</li><li>Validate concepts using the value proposition canvas/business model canvas, build a comprehensive business case, and communicate and defend the prioritization internally</li><li>Partner with internal engineering and data science teams to scope the expected associated investment costs/timelines, and ensure that the business can deliver on scope, contractual obligations, and agreed-upon timelines</li><li>Facilitate market introduction of new features/functions while balancing tradeoffs of risk, cost, and speed</li><li>Ensure smooth integration of prototyped features/functions into Ark for utilization across customer accounts</li></ul></ul> Qualifications <ul><ul><li>U.S. Citizenship is required</li> Required Skills: <li>5+ years in a product or software role, including experience with enterprise software (B2B or B2G)</li><li>Strong value orientation, understanding of what matters for our customers, and why</li><li>Self-starter, owner mentality</li><li>Ability to thrive in a fast-paced, dynamic work environment</li><li>Exceptional written and oral communication skills across all levels of the business</li><li>Bachelor's degree in business or technology-related field </li> Desired Skills: <li>Experience in or around DoD, in particular, the Department of the Army or the Department of the Air Force</li><li>Full product lifecycle experience, from early idea through production and maintenance</li><li>Familiarity with the value proposition canvas and/or business model canvas frameworks</li><li>Advanced degree in a business or technical field</li><li>Experience in or exposure to the nuances of a startup or other entrepreneurial environment</li><li>Current possession of a U.S. security clearance at the Top Secret level, or the ability to obtain one with our sponsorship</li></ul></ul> We firmly believe that past performance is the best indicator of future performance. If you thrive while building solutions to complex problems, are a self-starter, and are passionate about making an impact in global security, we're eager to hear from you. Govini is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans status or any other characteristic protected by law.

Company Description Govini transforms Defense Acquisition from an outdated manual process to a software-driven strategic advantage for the United States. Our flagship product, Ark, supports Supply Chain, Science and Technology, Production, Sustainment, and Modernization teams with AI-enabled applications and best-in-class data to more rapidly imagine, develop, and field the capabilities we need. Today, the national security community and every branch of the military rely on Govini to enable faster and more informed Acquisition decisions. Job Description We are seeking a skilled and dedicated developer to join our Engineering team. As an SWE at Govini, you show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. In order to do this job well, you must be a curious and eager problem solver with a hunger for building well-designed, high-quality solutions. You have a passion for great work and nothing less than your best will do. You share our intolerance of mediocrity. You're uber-smart, challenged by figuring things out and producing simple solutions to complex problems. Knowing there are always multiple answers to a problem, you know how to engage in a constructive dialogue to find the best path forward. You're scrappy. We like scrappy. This role is a full-time position located out of our office in Pittsburgh, PA. This role may require up to 10% travel Scope of Responsibilities <ul><ul><li>Actively participate in designing, building and testing scalable data architecture</li><li>Craft clean, testable, and maintainable code</li><li>Participate in the end to end software development of new feature functionality and design capabilities</li><li>Optimize processes for maximum speed and accuracy</li><li>Regularly seek out innovation and continuous improvement, finding efficiency in all assigned tasks</li><li>Work in an agile team in a scrum process, collaborating closely with fellow software engineers, DBEs, and QA engineers</li></ul></ul> Qualifications <ul><ul><li>U.S. Citizenship is required</li> Required Skills: <li>Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent work experience</li><li>6+ years of software development experience with a high-level software stack </li><li>Advanced SQL development </li><li>Familiarity with PostgreSQL administration</li><li>Strong proficiency with backend API languages such as Java/Spring Boot (preferred) or equivalent</li><li>Experience performing meaningful tasks in Linux</li><li>Prior hands-on experience working with data-driven analytics</li><li>Experience working in agile/scrum teams</li><li>Ability to work independently with little supervision</li><li>A burning desire to work in a challenging fast-paced tech environment</li> Desired Skills: <li>Current possession of a U.S. security clearance, or the ability to obtain one with our sponsorship</li><li>Experience in or exposure to the nuances of a startup or other entrepreneurial environment</li><li>Familiarity with Git source control management</li><li>Familiarity with Javascript/ReactJS</li><li>Familiarity with CSS</li><li>Previously experience working in a product organization</li></ul>></ul> We firmly believe that past performance is the best indicator of future performance. If you thrive while building solutions to complex problems, are a self-starter, and are passionate about making an impact in global security, we're eager to hear from you. Govini is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans status or any other characteristic protected by law.

Govini Interview Questions

Govini Interview Guides

Govini Interview Questions

Govini Salaries by Position

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