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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

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

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.

What factors could have biased this result, and what would you look into?

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

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?

Infojini Inc Salaries by Position

Job Title Business AnalystLocation: White Plains, 10605 (HYBRID)DURATION 12 months with possible extension (37.5 hours per week) PAY RATE – 51.50 Project OverviewBusiness Analysis services for Common App LEM programJob Functions & ResponsibilitiesThe BA will play a key role gathering Business, Stakeholder, functional and technical requirements, conducting data mapping, preparing test plans and scripts, executing testing, assisting with completion of Disaster Recovery and Technology Impact documents, assisting with stakeholder communications and change management. For this assignment, the BA will, at a minimum: <ul><li>Proactive in eliciting requirements for process transformation initiatives </li><li>Lead or guide business stakeholders in laying out future processes</li><li>Create Business, stakeholder and solution requirements </li><li>Assist business stakeholders with transition approaches or requirements </li><li>Create business Process flow documents and Business process documents </li><li>Create Technical Requirements document </li><li>Create Requirements Traceability Matrix </li><li>Create data mapping documents and Technical Interface specification for electronic files (e-files) </li><li>Create test strategy, scenarios and scripts </li><li>Assist team in developing application support RACI and support handover documents. </li><li>Assist team with stakeholder communications </li><li>Assist team with completion of provided Business Impact Assessment and Technology Impact Assessment forms</li><li>Weekly status reports. Meeting agendas, materials, and minutes for weekly meetings. </li><li>Develop Epics, features and user stories in Azure DevOps for technology initiatives </li><li>Create test cases, track test results where needed under the Testing COE guidance </li><li>Create and/or assist in creation of business case where required</li></ul>Skills<ul><li>Extensive experience in developing business, stakheolder and detailed requirements – functional and technical. </li><li>Through understanding of Portfolio and project management processes </li><li>Experience in enterprise transformation initiatives </li><li>Knowledge of proper requirements specification and development, such as process/functional requirements definition methods, JAD/RAD sessions, use case development, process flow diagrams </li><li>Proactive and experienced in requirements elicitiation techniques </li><li>Extensive experience in Agile and Waterfall projects </li><li>Expert knowledge in Agile and Waterfall methodologies </li><li>Excellent written and verbal communication skills, and interpersonal skills. </li><li>Excellent analytical, critical thinking and problem-solving abilities.</li><li>A deep understanding of technical concepts, principles and terminology. </li><li>Knowledge of data science concepts and experience gathering data requirements. </li><li>Ability to work in a team environment with both employees and consultants is a must. </li><li>Ability to communicate effectively across many different levels of technical and business teams. </li><li>Ability to engage diplomatically with stakeholders </li><li>Demonstrated experience with Agile and hybrid project methodologies. </li><li>Superior presentation and negotiation skills. </li><li>Proven management and organizational skills. </li><li>Strong adaptability and capacity to work in fast-paced environments. </li><li>Experience with Azure devops and othe enterprise applications is a plus</li><li>Strong understanding of agile concepts </li><li>Utilities experience is highly preferred.</li></ul>Education & CertificationsBS in Computer Science, Information Systems, or a related field from an accredited school, or equivalent. • 5-10 years of applicable experience in the area of Business Analysis for Technology initiatives • Any of the following BA certifications is highly preferred: • IIBA Certified Business Analysis Professional (CBAP) • IIBA Entry Certificate in Business Analysis (ECBA) • IIBA Certification of Competency in Business Analysis (CCBA) • IIBA Agile Analysis Certification (AAC) • IQBBA Certified Foundation Level Business Analyst (CFLBA) • IREB Certified Professional for Requirements Engineering (CPRE) • PMI-Professional in Business Analysis (PBA) Certification

Job Title: Embedded Developer (4+ years experience) - BangaloreLocation: Bangalore, India Role Overview:We are seeking an experienced Embedded Developer with a strong background in embedded systems, real-time operating systems (RTOS), and hardware-software integration. The ideal candidate will possess 4+ years of hands-on experience in developing and optimizing embedded applications and have a passion for working on complex embedded solutions.Key Responsibilities:<ul><li>Design, develop, and implement embedded software solutions for a wide range of applications.</li><li>Collaborate with hardware engineers to integrate software with hardware systems.</li><li>Work with microcontrollers and processors (e.g., ARM, STM32, etc.).</li><li>Develop drivers, firmware, and low-level software in C/C++.</li><li>Optimize embedded applications for performance, memory, and power consumption.</li><li>Debug and troubleshoot embedded systems using industry-standard tools and techniques.</li><li>Collaborate with cross-functional teams, including hardware engineers, system architects, and QA teams.</li><li>Ensure software quality through rigorous testing, code reviews, and best practices.</li></ul>Required Skills & Qualifications:<ul><li>Bachelor’s or Master’s degree in Electronics, Computer Science, or a related field.</li><li>4+ years of hands-on experience in embedded software development.</li><li>Proficiency in C and C++ programming languages.</li><li>Experience with embedded systems development using real-time operating systems (RTOS).</li><li>Strong understanding of microcontroller architectures and peripheral interfaces (UART, SPI, I2C, etc.).</li><li>Familiarity with tools like JTAG, oscilloscope, logic analyzer, etc.</li><li>Experience in debugging embedded systems and optimizing code for performance and memory.</li><li>Strong analytical and problem-solving skills.</li><li>Ability to work in a fast-paced, collaborative environment.</li></ul>

Infojini Consulting is a full service IT consulting, services, and staffing firm with offices in Secaucus, NJ.Infojini Consulting is recognized as one of the fastest growing IT services and software development companies. With a partnership of all major technology vendors, Infojini Consulting has built a strong Government and commercial customer base including fortune 100 companies and most state and federal agencies such as State of North Carolina, State of South Carolina, State of Maryland, State of California, State of Pennsylvania, State of Virginia, State of Washington and many others.Infojini Consulting is an equal opportunity employer and considers all qualified individuals for employment irrespective of their race, gender, age, color, sexual orientation. We offer an excellent compensation package.<h3>Job Description</h3>Scope of Work:<ol><li>Work for the Business Operations team under the IT Project Management Office (PMO) to provide data analysis related services for the Exchange.</li><li>Integrate, work with, pilot, and implement solutions across various technologies, databases, and data structures.</li><li>Communicate with MHBE IT team, business team, vendor team and other stakeholders to translate business needs into data sets and solutions.</li><li>Coordinate with technical and operational teams to prepare and integrate multiple data sets in various formats to provide insight into Exchange operations.</li><li>Lead data warehousing efforts and perform data analysis as needed across sets of transactional, operational, device, and various other data sources.</li><li>Coordinate with the development team, business operations team and the testing team to analyze, fix, test and pull data sets as needed to address operational needs.</li><li>Analyze processes, associated data sources and data to provide contextual understanding of business goals, inputs, and outputs. Using this understanding, develop process intelligence, transactional, and business intelligence solutions.</li><li>Additional duties may include business process development, EDI error analysis, solution architecture, statistical analysis, dashboard development, query analysis, troubleshooting, data architecture, and documentation.</li></ol><h3>Qualifications</h3>All your information will be kept confidential according to EEO guidelines.
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Infojini Consulting is a full service IT consulting, services, and staffing firm with offices in Secaucus, NJ.Infojini Consulting is recognized as one of the fastest growing IT services and software development companies. With a partnership of all major technology vendors, Infojini Consulting has built a strong government and commercial customer base including fortune 100 companies and most state and federal agencies such as State of North Carolina, State of South Carolina, State of Maryland, State of California, State of Pennsylvania, State of Virginia, State of Washington and many others.Infojini Consulting is an equal opportunity employer and considers all qualified individuals for employment irrespective of their race, gender, age, color, or sexual orientation. We offer an excellent compensation package.<h3>Job Description</h3>Description: Needs both analytics and digital.Analysts are professionals who display intellectual curiosity, creativity, and a willingness to approach research in new and different ways as part of an integrated marketing and communications model. All Analysts operate fluidly in an entrepreneurial environment. In this role, the Senior Digital Data Analyst will handle projects that include:<ol><li>Tracking a user journey through various channels and segmenting audiences by analyzing various datasets from: paid media, paid/organic social, website, CRM, SEM/SEO.</li><li>Identifying patterns through exploratory regression analyses across datasets.</li></ol><h3>Requirements</h3><ol><li>3+ years of experience in digital analytics with direct experience working with a web analytics suite such as Google Analytics.</li><li>Passion for the digital space and ability to demonstrate in-depth knowledge of the agency’s business, products, markets, and influencers.</li><li>Ability to dig into multiple data sets and tell a story based on the findings.</li><li>Ability to analyze both quantitative and qualitative research to connect back to the client’s business needs.</li><li>Ability to maintain timelines and budgets.</li><li>Ability to present in new business and client meetings.</li><li>Proficiency in the use of software like Microsoft Excel, SPSS, SAS.</li><li>Understanding of statistical languages such as R or Python is a plus.</li><li>Degree in a quantitative field (i.e., business, economics, computer science, mathematics, etc.) is a plus.</li><li>Background in qualitative research, marketing analytics/science is a plus.</li><li>Strong communication and writing skills.</li><li>Ability to multitask and deliver quality work on deadlines.</li><li>Ability to plan measurement strategies for key performance indicators, and monitor existing properties to ensure all tracking and data collection works properly.</li><li>Ability to extract core insights from data to develop testing and optimization strategies across tactics.</li><li>Ability to develop and recommend scalable best practices for use in our clients’ projects.</li><li>Ability to develop effective and persuasive presentations and memos demonstrating the value of our work for client teams and business development.</li></ol><h3>Qualifications</h3>Bachelor's degree in a related field.<h3>Additional Information</h3>All your information will be kept confidential according to EEO guidelines.
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The candidate(s) must have at least five (5) years dedicated experience working as a business analyst for large, complex, information technology systems. Ability to facilitate and lead the analysis and documentation of functional and non-functional business requirements including: the preparation and confirmation of business rules; the analysis of current and proposed business processes, business models and requirements statements. Experience documenting requirements so they are understandable by business and technical experts. Hands on experience documenting scope, business requirements and system requirements for COTS products. Ability to perform gap analysis using business process diagrams, data models, and requirements. Experience negotiating and bringing groups to consensus or resolution concerning areas of conflict or ambiguity. Experience assembling information from a variety of sources to recognize business relevant connections and missing pieces. Ability to develop and execute complex test scripts. Ability to manage scope as it pertains to areas of responsibility Ability to identify and document risks,opportunities and efficiencies related to assigned work Ability to manage time well to meet assigned milestones Good communication skills with both technical and business staff, experience presenting to senior-level audiences Good writing skills (spelling, grammar and clarity) <h3>Additional Information</h3>All your information will be kept confidential according to EEO guidelines.
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Role: Business Analyst (Security Master or Pricing Master)Location: NYC,NY (Hybrid)Type: Full Time Only(Can’t sponsor visa for this role) Qualifications and Skills ·10+ years of experience in Capital Markets as a Project Manager or Business Analyst with experience in system implementations or equivalent operational experience on central datamarts like Security Master or Pricing Master. ·Good understanding of the financial terminology and various securities and asset classes ·Experience with data projects involving concepts and processes related to data management, such as critical data elements, data architecture, data models, data lineage, data quality, data dictionary etc. ·Strong analytical, strategic thinking and problem-solving skills, including a thorough understanding of how to interpret business needs and translate them into application and operational requirements. ·Strong verbal and written communication skills. Ability to communicate effectively and confidently with users, team members. ·Strong work ethic with focus on meeting deadlines, objectives, and ability to learn new products and systems in a timely manner. ·Experience working directly within Technology. ·Experience with stakeholder management. ·Ability to prioritize efforts across multiple projects and manage competing deadlines with stakeholders. ·Strong skills working with MS Excel, MS Project, MS Word, MS Power Point & SharePoint. ·Bachelor’s degree in finance or MBA or Computer Science or Information Systems preferred.

Project Summary:This project provides comprehensive support for multi-year budgets, large-scale projects, and associated business processes. The scope includes delivering analytical expertise, generating reports, maintaining system documentation, and supporting contract management and compliance. The project team will utilize applications such as (Excel, Word, PowerPoint, Teams, SharePoint) to document business process requirements. The goal is to ensure effective project execution, manage project risks, and keep all stakeholders informed throughout the project lifecycle.. As a result, of these two projects, we seek to hire one or more Contract Business Analyst on an as-needed basis for professional services to the Administration team. The professional services candidate(s) are expected to work forty hours per week, Monday through Friday during normal business hours; 8:00 AM to 5:00 PM. Business Requirements & Scope of Work:<ul><li>Provide analytical support and serve as a subject matter expert for multi-year project budgets.</li><li>Create various types of reports, maintain records for system documentation, and provide functional support for large-scale projects.</li><li>Intermediate to advanced experience using Microsoft applications; Excel, Word, PowerPoint, Teams and SharePoint.</li><li>Documenting requirements for business processes and applications.</li><li>May require research and analysis of software products for business communication purposes.</li><li>Support contract management and compliance</li><li>Planning, Project Schedule Creation, Quality, Scope & Change Management</li><li>Risk Management: Responsible for documenting risk management and contingency plans.</li><li>Stakeholder Engagement Management: Plan communication strategy to internal and external ensure stakeholders are informed</li><li>Minimum of 5 years of experience providing IT analytical work regarding financial analysis, budget management, and project cost management for multi-year projects.</li><li>Minimum of 5 years of experience in business analysis, particularly documenting business and functional requirements for IT systems and applications.</li><li>A minimum of 5 years of experience in contract management, including preparation, review, and analysis of contracts for large-scale projects.</li></ul>

Job Summary/ Essential Job Functions:<ul><li>Plan and perform statistical analysis and conduct studies related to the repair processes for maintenance workers and skilled trades.</li><li>Design and build analytic processes to track staff schedule optimization and travel times, backlogs of repair, completion times of repairs, and age of open repairs.</li><li>Conduct data mining and analysis exercises, maintain vital databases, create analytic reports, build program monitoring dashboards, and contribute to ongoing data analysis efforts to inform the Work Order Reform Initiative.</li><li>Responsible for leading complex analyses, and will manage data collection and processing, statistical methods, and report preparation and presentation.</li><li>The candidate will have the opportunity to develop methods and build on his/her current technical knowledge base to arrive at data forward conclusions. The candidate will be asked to work collaboratively and inclusively, seeking to cultivate continued professional development and effectively communicate with all stakeholders.</li></ul> Required Skills:<ul><li>Master’s degree in public policy, urban planning, sociology, demography, political science, economics, data science or related field.</li><li>Experience analyzing data to inform policy in government or public service.</li><li>Data management skills including constructing datasets for specific analyses and cleaning, aggregating and matching large data sets.</li><li>Proficiency with data analysis programs (e.g.:SQL, SAS, R, Python).</li><li>Proficiency with Excel for data analysis and presentation of final work</li><li>Experience working with mapping tools and extensions including Advance Editing, Geocoding, Georeferencing, Data Driven Pages, Spatial Analyst and 3D Analyst.</li><li>Experience building and presenting interactive visualizations and dashboards using Tableau, Power BI or Adobe Creative Suite.</li><li>Experience developing analytic plans and conducting statistical analyses.</li><li>Excellent verbal and written communication skills, including the ability to interface well with senior Authority management and external partners.</li><li>Proficiency in Microsoft Office: Excel, Outlook, PowerPoint, Word, and Teams.</li><li>Highly organized with the ability to work under stringent deadlines, manage multiple assignments and handle sensitive information.</li><li>Ability to work independently and in a team environment to create datasets, analyze data, provide written interpretations of statistical analyses and to present findings in written reports and oral presentations.</li><li>The candidate should have: A background or demonstrable interest in housing urban planning, or public policy.</li><li>Demonstrated expertise in conducting research/investigation on specific problems by manipulating large datasets with use of SQP, GIS and Python and/or other languages. Demonstrated experience and interest in advancing technical knowledge base in order to elevate research approach.</li></ul>

Infojini Consulting is a full service IT consulting, services, and staffing firm with offices in Secaucus, NJ.
Infojini Consulting is recognized as one of the fastest growing IT services and software development Companies. With a partnership of all major technology vendors, Infojini Consulting has built a strong Government and commercial customer base including fortune 100 companies and most state and federal agencies such as State of North Carolina, State of South Carolina, State of Maryland, State of California, State of Pennsylvania, State of Virginia, State of Washington and many others.
Infojini Consulting is an equal opportunity employer and considers all qualified individuals for employment irrespective of their race, gender, age, color, sexual orientation. We offer an excellent compensation package.
Job Description   Job details mentioned below-
Title: Business Analyst / Quality Assurance Analyst
Duration: 8 months
Location: Washington, DC
Looking for a Business Analyst / Quality Assurance Analyst with more than three (3) years of proven experience to help us with gathering and submitting security compliance related material; documenting client business requirements; developing test plans and scripts; conducting acceptance testing; reporting software defects; and maintaining documentation.
Qualifications  Primary Skill Sets:

Strong experience authoring documentation (such as User Guide, Quick Reference material, Security Compliance related material, etc.)
Excellent analytical and communication skills (both written and verbal)
Strong attention to detail, organizing project related material (tracking tasks and work items)
Strong experience with gathering and documenting business requirements
Strong experience with Quality Assurance (QA) developing test plans/scripts, testing of applications; ability to identify defects, track resolution of problems, and retest defect corrections
Strong SQL skills (MS SQL Server)
Experience working within team environment, as well as independently
Experience with SharePoint or other similar document collaboration platforms
Experience working under tight deadlines
Experience with auditing work products, processes and procedures a plus
Experience with automated testing tools (MTM, QTP, UFT, Selenium) a plus
Additional Information  All your information will be kept confidential according to EEO guidelines.

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Description<ul><li>Gather, analyze, and document user requirements, business processes, and problems to automate or improve existing systems; elicit and document business needs for new systems.</li><li>Using Agile and Scrum methodologies lead an assigned application change SDLC from start to finish. </li><li>Document and organize associated change management information in a centralized electronic location approved by TDA.</li><li>Facilitate meetings and trainings to various audiences such as project status reporting to executive leadership and training various staff on the system modifications.</li><li>Analyze program policies and procedures to determine their effect on automated systems and system functional areas.</li><li>Organize and maintain the requirements repository.</li><li>Identify and recommend business process innovation through automation and assist in the preparation of proposals to develop new systems.</li><li>Develop and oversee complex project management deliverables such as project charters, project plans, test plans, and risk management plans.</li><li>Consult on the analysis of an application, troubleshoots system problems, and recommend solutions.</li><li>Provide quality assurance consultation to projects, assignments, or special initiatives.</li><li>Develop and review test cases; process change requests; and manage a project’s scope, acceptance, installation, and deployment.</li><li>Maintain assigned business relationships with vendors, seek best value for new and renewing technologies, and review and approve monthly and annual invoices.</li><li>Follow all TDA policies and procedures.</li></ul> Qualifications (Minimum 8 years):<ul><li>Performs highly complex (senior level) business analysis work</li><li>Develop and oversee project deliverables such as charters, design documentation, test plans, and risk assessment plans; and provide comments and suggestions to document owners</li><li>Consult on the analysis of an application, troubleshoots system problems, document occurrences, and oversees implementation of solution</li><li>Provide complex quality assurance consultation to, or oversight of, projects, assignments, or special initiatives</li><li>Using Agile and Scrum methodologies lead an assigned application change SDLC from start to finish.</li><li>Identify opportunities to improve business processes through automation and help prepare proposals to develop new systems</li><li>Develop training curricula and conduct formal training sessions covering assigned system modules</li><li>Develop the design and/or review of test cases; processes change requests</li><li>Written and Verbal communication with executive leadership</li><li>Prior State or Federal government work experience</li><li>CSM or ITIL certification</li></ul>

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