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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 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

Nesco Resource Salaries by Position

About the job The Software Developer is responsible for the design, development, implementation, and maintenance of software applications and tools. This person will be required to work with cross-functional leaders to gather requirements and provide updates on the project's progress. The ideal candidate will possess strong troubleshooting skills and be capable of quickly identifying and resolving technical issues within software applications and systems. Knowledge and Skills Required <ul> <li>Bachelor's degree in computer science, Engineering, Information Technology, or a related field.</li> <li>Solid understanding of software development fundamentals and principles.</li> <li>Proficiency in programming languages commonly used in software development with a strong understanding of the .NET environment.</li> <li>Familiarity with databases and SQL for data management and manipulation.</li> <li>Experience with version control systems (e.g., Git) and software development tools (e.g., IDEs, issue tracking systems).</li> <li>Strong analytical and problem-solving skills, with the ability to troubleshoot technical issues independently.</li> <li>Excellent communication and interpersonal skills, with the ability to collaborate effectively in a cross-functional team environment.</li> <li>Eagerness to learn about manufacturing processes and technologies.</li> <li>Prior internship or project experience in software development, manufacturing, or related fields is a plus.</li></ul> Essential Duties and Responsibilities <ul> <li>Write clean, efficient, well-documented code following established coding standards and best practices.</li> <li>Debug and troubleshoot issues in existing software applications, providing timely resolutions and updates.</li> <li>Identify opportunities for process improvement and automation within manufacturing workflows.</li> <li>Develop and deploy automation scripts and tools to streamline repetitive tasks and increase operational efficiency.</li> <li>Collaborate with cross-functional teams to implement software solutions that address specific manufacturing challenges and requirements.</li> <li>Communicate effectively with stakeholders, including manufacturing engineers, operators, and IT professionals, to gather requirements and provide updates on project progress.</li> <li>Participate in team meetings and one-on-ones to exchange ideas and insights with colleagues.</li> <li>Document software selection, software designs, and implementation details to facilitate knowledge transfer and future maintenance.</li> <li>Performs other duties as assigned.</li></ul> Nesco Resource offers a comprehensive benefits package for our associates, which includes a MEC (Minimum Essential Coverage) plan that encompasses Medical, Vision, Dental, 401K, and EAP (Employee Assistance Program) services. Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Shift: Day 8-5, Hybrid schedule - 3 onsite and 2 remote per week. JOB DESCRIPTION: Designs, modifies, develops, writes and implements software programming applications/operating systems. Also, coordinates work teams. Provides technical leadership to project team members. Requires a bachelor's degree in area of specialty and at least 8+ years of experience in the field or in a related area. Demonstrates expertise in a variety of the field's concepts, practices, and procedures. Relies on extensive experience and judgment to plan and accomplish goals. Performs a variety of tasks. May provide consultation on complex projects and is considered to be the top level contributor/specialist. A wide degree of creativity and latitude is expected. May report to an executive or a manager. Key Responsibilities •Technical lead for designing, developing, and integrating the TXD software that interfaces with the RF hardware. •Provide support for the software that interfaces with the RF hardware on legacy TCAS products such as TPA-100 and AESU. •Requirements and design •Software architecture and coding •Integration •Certification •Test •Customer Support •Ability to code in multiple languages •Analytical skills & software development skills REQUIRED EXPERIENCE: Must have spent 5+ years in embedded C++ development of one of the following systems: •TCAS (Traffic Collision Avoidance System) •ACAS (Airborne Collision Avoidance System) •ADS-B (Automatic Dependent Surveillance - Broadcast) •Extensive Transponder experience DESIRABLE EXPERIENCE: Real-Time Embedded Software Engineer (C/C++) ARINC 429 (A429) ARINC 735 (A735) ARINC 718 (A718) RTCA DO-178C Structured software development environment, Requirements, Code, Integration Test DOORS - Requirements development XPDR (Transponder) Mode-C/Mode-S RTCA DO-185 RTCA DO-181 RTCA DO-260 DO-300 TSO-C112 TSO-C119 TSO-C195 TSO-C166 Surveillance Avionics Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

*Data Engineer* Shift Schedule: Monday - Friday 8 am - 5 pm Temp to Perm role: Possibility based on workers performance and openings Duration: 1 year contingent assignment Core essential skill sets candidates must have to be considered for the role: 1. Technical Skills: Proficiency in programming languages such as Python, R, and SQL. Experience with machine learning frameworks like TensorFlow or PyTorch. 2. Analytical Skills: Strong ability to extract, clean and analyze complex datasets and develop predictive models using SQL / non SQL data sets, 3. Domain Knowledge: Understanding of pharmaceutical industry regulations and processes. 4. Knowledge of data pipeline development, integration and management is required. 5. Qualification: Master's or PhD in Data Science - college fresh or with one year experience. Screening Requirements: 1. Medical Screenings: a) Vision Screen - Near, Far, Color, Depth and Peripheral b) Spirometry & OSHA Respirator Questionnaire 2. Basic Background 3. 12-panel w/Fentanyl Job Description: a. Data Analysis: Analyze large datasets from manufacturing processes to derive actionable insights. b. Predictive Modeling: Develop and implement predictive models to define process performance. c. Collaboration: Work closely with cross-functional teams, including chemists, engineers, etc., to support data-driven decision-making. d. Machine Learning: Apply machine learning algorithms to optimize process development and manufacturing processes. e. Data Visualization: Create visualizations to communicate findings to stakeholders and support strategic planning. Skills Requirement: Technical Skills: Proficiency in programming languages such as Python, R, and SQL. Experience with machine learning frameworks like TensorFlow or PyTorch. Analytical Skills: Strong ability to extract, clean and analyze complex datasets and develop predictive models using SQL / non SQL data sets, Domain Knowledge: Understanding of pharmaceutical industry regulations and processes. Communication: Excellent communication skills to present data insights to non-technical stakeholders. Problem-Solving: Strong problem-solving skills and the ability to work in a fast-paced environment Knowledge of data pipeline development, integration and management is required. Qualification: Master's or PhD in Data Science - college fresh or with one year experience. Nesco Resource offers a comprehensive benefits package for our associates, which includes a MEC (Minimum Essential Coverage) plan that encompasses Medical, Vision, Dental, 401K, and EAP (Employee Assistance Program) services. Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Nesco has partnered with a growing company looking to add a QA Data Architect/Engineer to its team to help with a special project. This is a contract role for 2-3 months. It will be 100% remote and start mid September. We are looking for someone with the following qualifications Role/Skills: <ul> <li>Work with Sr QA Engineer and other team members to refine, automate and implement QA processes so the results can be easily analyzed and shared with business partners. </li> <li>Work with QA, Data and Analytics teams to capture requirements for QA test cases. </li> <li>Design a system to capture, manage and display results of QA tests. </li> <li>Work with data engineers to automate tests and capture results. </li> <li>Document requirements and resulting solution. </li></ul> Education and Experience: <ul> <li>Required <ul> <li>Bachelor's Degree in Computer Science, Information Technology, Applied Math or equivalent education and experience.</li> <li>Four or more year's relevant experience including test automation. </li> <li>Demonstrated ability to execute complex research assignments, including critical thinking, logical and comprehensive problem analysis and resolution.</li> <li>Strong SQL skills.</li> <li>Testmo or other test management platform experience.</li> <li>Experience delivering QA data through MS Power BI or other BI/analytical tool.</li> <li>Excellent interpersonal, written and verbal communication skills, including ability to develop and maintain strong relationships with colleagues.</li> <li>Excellent business analysis and technical documentation skills.</li> </ul> </li> <li>Preferred <ul> <li>ETL tool(s), preferably SSIS.</li> <li>MS Azure Synapse Analytics.</li> <li>MS Azure Data Factory.</li> <li>Retail / customer data knowledge.</li> </ul> </li></ul> Experience with Agile methodology. Nesco Resource offers a comprehensive benefits package for our associates, which includes a MEC (Minimum Essential Coverage) plan that encompasses Medical, Vision, Dental, 401K, and EAP (Employee Assistance Program) services. Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Position: Transportation Engineering Manager Location: Tulsa or Oklahoma City, Oklahoma Salary Range: $135,000-$170,000 annually Overview: Are you ready to advance your career by leading a talented and dynamic team dedicated to transforming transportation projects across Oklahoma? We are seeking an ambitious Senior Transportation Project Manager who excels in developing strategic plans, driving project success, and cultivating influential relationships. If you thrive on diverse challenges and aspire to make a significant impact in transportation engineering, this is the opportunity for you. Why This Role is Special: <ul> <li>Innovative Projects: Work on cutting-edge projects that shape the infrastructure of our state, focusing on major state and municipal initiatives.</li> <li>Leadership Impact: Take the reins in leading and mentoring a talented team, fostering growth and innovation.</li> <li>Strategic Influence: Play a pivotal role in developing and executing strategic plans that drive the success and expansion of our transportation group.</li> <li>Collaborative Environment: Engage with top professionals and key decision-makers in the transportation sector, including state and local authorities.</li></ul>Key Responsibilities:<ul> <li>Develop and implement strategic plans to manage and expand the transportation group.</li> <li>Lead, manage, and mentor a diverse and dynamic team of professionals.</li> <li>Cultivate and maintain strong relationships with state transportation departments and local municipalities.</li> <li>Secure new projects through effective business development strategies.</li> <li>Oversee project execution with a focus on excellence in geometric design, roadway construction, and traffic control.</li></ul>Qualifications:<ul> <li>Education: Bachelor's Degree in Civil Engineering</li> <li>Licensing: Professional Engineer (PE) license in Oklahoma</li> <li>Experience: 10+ years in the field</li> <li>Software Proficiency: InRoads, OpenRoads, Microsoft Office Suite</li> <li>Additional Skills: Mastery of AASHTO Green Book, Roadside Design Guide, MUTCD, and excellent communication skills.</li></ul>Technical Expertise:<ul> <li>Expert in the geometric design of urban and rural highways/roadways.</li> <li>Proficient with 3D design tools.</li> <li>Extensive experience in roadway, drainage, construction sequencing, and traffic control.</li> <li>Skilled in coordinating utility relocations.</li> <li>Adept at preparing and reviewing contract documents.</li></ul>Total Compensation:<ul> <li>Salary Range $135,000-$170,000 annually</li> <li>Performance bonuses and profit-sharing (25% of company profits distributed).</li> <li>401k retirement plan with up to 5% company match.</li> <li>Longevity bonuses up to $10,000 every 5 years.</li> <li>Referral bonuses up to $6,000.</li> <li>Generous paid time off ranging from 3-5 weeks based on experience.</li> <li>7 paid fixed holidays and 2 floating holidays.</li> <li>Flexible schedules.</li></ul>Employee Benefits:<ul> <li>Comprehensive medical, prescription, dental, and vision coverage.</li> <li>Company-paid Life/AD&D insurance.</li> <li>Optional life, disability, and supplemental insurance.</li> <li>Employee Assistance Program.</li> <li>Professional accreditation adjustments and industry licensing assistance.</li> <li>Paid continuing education and professional development opportunities.</li> <li>Career pathing and leadership development programs.</li></ul> Nesco Resource and affiliates (Lehigh G.I.T Inc, and Callos Resource, LLC) is an equal employment opportunity employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, or veteran status, or any other legally protected characteristics with respect to employment opportunities.

Job Description: Level 2 Software engineer: •Full lifecycle development of various infrastructure software product capabilities •Software/hardware integration and system troubleshooting •Agile Product Development Methodologies •Daily collaboration and communication •Opportunities to learn from system/software architects as well as mentor more junior engineers •Gain working knowledge of team CI/CD infrastructure and tool suite •Participate in development of team-level work estimates to support proposals and sprint/PI-level team commitments. Basic Qualifications : •Bachelor's Degree in Computer Science, Computer Engineering, Math, Physics, or other Engineering/Science related discipline •Expert C++/Python proficiency. •Linux-based software development experience. •Experience in object oriented software development Desired skills : •Experienced practitioner with Atlassian tool suite (Jira, Bitbucket, Confluence) •Excellent written and verbal communication skills •Comfortable with daily collaborative environment including occasional pair programming •Fluent in company development processes as a practitioner •Fluent in Agile product development concepts •Proficient in the development of software estimates •Comfortable with offering improvement ideas to foster culture of feedback and continuous improvement •Ada proficiency (software testing) Required Skills: Must have Bachelors or Masters in Computer Science, Computer Engineering, Math, Physics, or other Engineering/Science related discipline Minimum 5 years of experience of C++ and Python Linux-based software development experience. Experience in object-oriented software development Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Nesco Resource Interview Questions

Nesco Resource Interview Guides

Nesco Resource Interview Questions

Nesco Resource Salaries by Position

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