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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?

Statistics

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?

Product Metrics

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?

<h3>Job Description</h3><div>Job Description<div>Title: Technical Business Analyst – Continuous Improvement Location: Troy, MI (3-days onsite, 2-days remote hybrid schedule) Note: This is a W2 contract role – 1099, C2C, and 3rd party candidates will NOT be considered The Technical Business Analyst – Continuous Improvement will support the development of a new function designed to strengthen business processes, improve efficiency, and enhance the experience of both staff and customers across Servicing Operations. The Technical Business Analyst will operate as an independent contributor, working closely with Operations, Product, Engineering, Training, and vendor partners to help build and refine a brand-new intake and continuous improvement process while performing both structured request intake and deeper operational diagnostic work. The ideal candidate for this role will combine strong analytical skills, clear communication, and a passion for process improvement—while being comfortable working in a growing, evolving environment. Position Duties: Continuous Improvement & Business Analysiso   Serve as an active co-designer of new intake and continuous improvement processes and workflowso   Conduct discovery for incoming Servicing Operations requests, including stakeholder interviews, requirements clarification, and alignment on business needso   Create accurate and comprehensive business requirements, process documentation, business architecture diagrams, user flows, and supporting artifactso   Develop user stories and acceptance criteria and collaborate with Product Engineering to ensure requirements are fully understoodo   Partner with teams that manage call center operations, Salesforce/CRM workflows, omnichannel communication systems, borrower portals, and back-office Servicing functions to understand current processes and identify areas for enhancement Operational Reviewso   Participate in recurring deep-dive evaluations of designated business areaso   Conduct in-person side-by-side observations with staff to understand current workflows and identify improvement opportunitieso   Analyze KPIs, SLAs, complaints, customer satisfaction data, and operational performance trendso   Produce a process improvement roadmap that targets efficiency gains, KPI/SLA achievement, cost reduction, risk mitigation, and enhanced staff and customer experienceso   Funnel roadmap items into the intake and prioritization pipeline for configuration or development work Cross-Functional Collaborationo   Work closely with Operations leadership to refine requests and ensure alignment on prioritieso   Partner with Engineering and Product Development teams to support development through clarification of requirements, sprint planning, and solution reviewo   Coordinate with Training teams to provide clear documentation, assist with training updates, and support rollout of new or updated processeso   Engage with vendors as needed to support intake, discovery, or solution design Testing, QA, and Release Supporto   Support creation and execution of UAT test plans to validate solutions before deploymento   Create and maintain detailed release notes for business partners and Training teamso   Monitor defects, enhancement requests, and process changes, escalating based on priority and impacto   Ensure new enhancements are properly tested within related systems such as call center platforms, Salesforce/CRM workflows, omnichannel channels, and borrower portals Position Qualifications: ·         2-4 years of experience as a Business Analyst, including Mortgage servicing experience·         Strong experience gathering and documenting requirements in a process-oriented environment·         Ability to work independently with Operations, Product, and Engineering teams·         Strong communication skills, both written and verbal·         Comfortability working in a dynamic, evolving process environment·         Experience with LoanServ preferred·         Experience working with borrower portals or customer-facing platforms preferred·         Experience with Salesforce or a similar CRM platform preferred·         Experience with Azure DevOps (ADO) or similar tools preferred·         Experience using Lucid or similar process mapping tools preferred·         Experience in call center environments and exposure to omnichannel communication systems (chat, messaging, IVR, email, SMS), including an understanding of call flows, training processes, and/or performance metrics preferred·         Experience with workforce management technologies or staffing models preferred·         Experience performing structured operational reviews or continuous improvement work preferred·         Familiarity with Agile methodologies (Scrum, Kanban, SAFe) preferred·         Ability to create and execute UAT or QA test plans preferred·         A minimum of a Bachelor’s Degree in Information Technology, Business, or other related field Note: This is a W2 contract role – 1099, C2C, and 3rd party candidates will NOT be considered</div></div>

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Decreasing Comments	Product Metrics	Easy	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High

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